Resultados de la búsqueda de "environmental electronics"
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BENETECH WINTACT WT8811 Compoud Gas Monitor LCD Display Rechargeable Multifunction 4 in1 Combustible O2 H2S CO Gas Sensor Sound-light Vibration Alarm
Features 1.Color-screen display, user-friendly interface.2.Bilingual choices:Chinese/English.3.Three alarm forms:sound/light/vibration .4.Data recording and review function, continuously record5.120,000 data logging.6.Charging function. Specification Compound Gas Monitor Range Measuring item and Unit 1.Combustible gas LEL %LEL2.Oxygen O2 %VOL3.Hydrogen sulfide H2S μmol/mol4.Carbon Monoxide CO μmol/molRange:1.Combustible gas LEL: 0~1002.Oxygen O2 : 0~303.Hydrogen sulfide H2S:0~100 4.Carbon Monoxide CO :0~1000Resolution1.Combustible gas LEL: 0.12.Oxygen O2 : 0.13.Hydrogen sulfide H2S:0.14.Carbon Monoxide CO :1Accuracy: When the measuring range is(0~50)mol/mol,maximum allowable error is:5mol/mol.When the measuring range is(50~1000)mol/mol,maximum allowable error is:10%Indication model:LCD display real-time date and system state,LED,sound,vibration indication alarm Response Time(90%): Less than 30 seconds Alarm: Sound and light vibration alarm Alarm Point: Adjustable Working Voltage: DC3.7V, 1800mAh Battery Model: LP103450-1800mAh rechargeable lithium batteryExplosion-proof Certificate NO.: CNEx 18.5122Explosion-proof Mark: Ex ib IIB T3 GbOperating Conditions: -20~50℃ / -4~122℉, < 95%Storage Conditions: -10~55℃ / 14~122℉, < 85%charging time:6-8hstandby time:more than 8h on end (slightly change with working state)Item Size: 71 * 153* 49mm Package included 1 * Carbon Monoxide Monitor1 * Plastic Pipe1 * USB Cable1 * Gas Calibration Cover1 * Storage Box1 * User ManualSpecification: General Certificate CE, ROHS, FCC, EMC Package Weight One Package Weight 1.06kgs / 2.33lb One Package Size 29cm * 18.5cm * 8cm / 11.42inch * 7.28inch * 3.15inch Qty per Carton 30 Carton Weight 30.00kgs / 66.14lb Carton Size 90cm * 57cm * 24cm / 35.43inch * 22.44inch * 9.45inch Loading Container 20GP: 216 cartons * 30 pcs = 6480 pcs40HQ: 502 cartons * 30 pcs = 15060 pcs
£109.99
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RETEVIS RETEVIS RT1 10W UHF 400-520MHz 16CH Handheld Walkie Talkie,, RT1 400-520MHz US Plug, RT1 400-520MHz EU Plug
1. High power 10W, longer communication distance2. High capacity battery, long standby time3. Scrambler ensures communication confidentiality4. Two antennas (high-gain antenna and common antenna) to increase the distance5. Frequency range: UHF: 400-520MHz6. Channel capacity: 167. Output power: High: 10W / Low: 5W8. Working voltage: 7.2V DC9. Antenna impedance: 50 ohms10. Working temperature: -20~+50 degrees Celsius11. Frequency interval: 12.5kHz / 25kHz12. Battery capacity: 3000mAh13. Modulation noise: less than -40dB14. Modulation distortion: less than 5515. Frequency stability: 5ppm16. Current: less than or equal to 2600mA17. Audio response: +6.5—-14dB18. Adjacent channel power: greater than or equal to 65dB19. Intermediary sensitivity: 8-12mv20. Standby time up to 260 hours21. VOX sensitivity adjustable22. Voice companding, squelch adjustment, receiving alarm, time-out timer (TOT), scanning, end tone elimination and other functions23. Dimensions (not including antenna): 133x59x36mm24. Weight (including battery): 272g25. The package contains: 1x portable radio, 2x antenna (high gain antenna and common antenna), 1x polymer lithium ion battery pack, 1x adapter, 1x charger, 1x belt clip, 1x user manualSpecification: General Model RT1 Frequency Range UHF 400MHz-520MHz Channel 16 Frequency Stability 5ppm Channel Spacing 12.5kHz / 25kHz Antenna Impedance 50 ohms Plug Available US Plug Working Temperature -20C to 50C Modulation Noise less than -40dB Modulation Distortion less than 55 Audio Response + 6.5-14dB Receiving Current less than or equal to 2600mA Stand-by time up to 260 hours Size 133x59x36mm Weight 272g Package Include Package Contents 1 x Walkie Talkie 1 x Rechargeable Battery 1 x Belt-clip 1 x User Manual 1 x Charger 1 x Power Adapter Package Weight One Package Weight 0.71kgs / 1.56lb One Package Size 24cm * 18cm * 7cm / 9.45inch * 7.09inch * 2.76inch Qty per Carton 10 Carton Weight 8.55kgs / 18.85lb Carton Size 24cm * 36cm * 35cm / 9.45inch * 14.17inch * 13.78inch Loading Container 20GP: 881 cartons * 10 pcs = 8810 pcs40HQ: 2047 cartons * 10 pcs = 20470 pcs
£49.99
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AK3 Portable CO2 Air Quality Formaldehyde Carbon Dioxide Detector, AK3 Semiconductor 5 in 1
1. Display mode: smart color screen2. Working voltage: DC 5V3. Working temperature: 10-50 degrees Celsius4. Battery capacity: 1200mA5. Alarm method: color and sound dual reminder6. Standby time: 10 hours7. Security range:-CO2: 350-2000ppm-TVOC: 0.000-2.000 mg/m3-HCHO: 0.000-1.000 mm/m3-Temperature: 0-90 degrees Celsius-Humidity: 0-99%RHSpecification: Package Weight One Package Weight 0.19kgs / 0.43lb One Package Size 15cm * 12cm * 8cm / 5.91inch * 4.72inch * 3.15inch Qty per Carton 154 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 154 pcs = 27258 pcs40HQ: 412 cartons * 154 pcs = 63448 pcs
£29.99
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SNDWAY SNDWAY Wall-mounted 30~130dB Large Screen Digital Display Noise Decibel Monitoring Testers, SW525B with Storage + USB, SW526A 18 inch Display, SW525G with Storage + USB Green
Artículo: SW525A (luz roja)/SW525B (luz roja)/SW525G (luz verde)/SW526A (luz roja) 1. Tamaño de pantalla: 9,6 pulgadas (SW526A 18 pulgadas) 2. Rango de medición: 30-130dB 3. Precisión: +/-105dB 4. Respuesta de frecuencia: 31,5 Hz ~ 8,5 Hz 5. Micrófono: micrófono de condensador de 6 mm 6. Pantalla digital: 3 dígitos 7. Modo de fuente de alimentación: Interfaz micro USB DC 5 V 1 A 8. Temperatura y humedad de trabajo: 0 ~ 40 grados, 10% ~ 80% HR 9. Temperatura y humedad de almacenamiento: -10 a 60 grados, 10% a 70% HR 10. Tamaño: 21 × 13 × 2,8 cm (SW526A: 40 × 23 × 3,5 cm) 11. Peso neto: 453 gramos (SW526A: 1531 g) Artículo: SW535A 1. Tamaño de pantalla: 18 pulgadas 2. Rango de medición: 30-130dB 3. Precisión: +/-1,5 dB 4. Respuesta de frecuencia: 31,5 Hz ~ 8,5 Hz 5. Micrófono: micrófono de condensador de 6 mm 6. Pantalla digital: 3 dígitos 7. Modo de alimentación: fuente de alimentación CC 5 V 2 A 8. Temperatura y humedad de trabajo: -20 ~ 60 grados, 0% ~ 100% HR 9. Temperatura y humedad de almacenamiento: -10 ~ 60 grados, 20% ~ 70% HR 10: Aviso de alarma: sonido + alarma en pantalla 11. Salida de alarma: voltaje de salida de 5 V 12. Tamaño: 40 x 23 x 3,5 cm 13. Peso neto: 1531 gramos Especificación: Peso del paquete Peso de un paquete 0,50 kg/1,11 lb Un tamaño de paquete 23 cm x 13 cm x 5 cm (9,06 pulgadas x 5,12 pulgadas x 1,97 pulgadas) Cantidad por caja 60 Peso de la caja 30,00 kg/66,14 lb Tamaño de la caja 50 cm * 50 cm * 60 cm / 19,69 pulgadas * 19,69 pulgadas * 23,62 pulgadas Contenedor de carga 20GP: 177 cajas * 60 uds. = 10620 uds. 40HQ: 412 cajas * 60 piezas = 24720 piezas
£52.99 - £88.99
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SONOFF SONOFF ZBMINI L2 Single Fire Dual Control Intelligent On/Off Switch Module Cell Phone Remote Voice Control Switch
1. Compact size, can be easily installed in the concealed box, suitable for most of the switch box2. Simple, reliable and easy to retrofit, no need to install flash extinguishers3. Support external switch4. Support dual-control switch wiring, without affecting the use of wall switches5. Intelligent timing, according to your work and rest time settings automatically turn on and off the lights6. Wireless protocol: Zigbee 3.07. Input/Output: 100-240V 50/60Hz 6A 8. Housing material: PC VO9. Size: about 39.5 x 32 x 18.4mm10. Description: only the switch, does not include other items in the pictureSpecification: Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 7cm * 5cm * 3cm / 2.76inch * 1.97inch * 1.18inch Qty per Carton 100 Carton Weight 3.50kgs / 7.72lb Carton Size 26cm * 20cm * 12cm / 10.24inch * 7.87inch * 4.72inch Loading Container 20GP: 4273 cartons * 100 pcs = 427300 pcs40HQ: 9920 cartons * 100 pcs = 992000 pcs
£12.99
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NANOVNA-H Upgraded Version 2.8 Inch TFT 50Khz-1.5Ghz Vector Network Antenna Analyzer MF HF VHF UHF With SD Card Slot Without Card, 4 Inch
1. A 4-inch LCD screen is used. Due to the larger screen, there is more PCB space for installing components and batteries2. Use an independent charge pump to power the mixer and add tantalum capacitors, which can further reduce power supply noise3. In order to make it easier for geeks to create more possibilities, UART1 and PC14, PC15 interfaces are drawn on the PCB, which is convenient for DIY expansion4. ABS shell, can effectively protect SMA connectors and buttons5. DC dimming is added, it can be seen more clearly when used outdoors, and it is more comfortable to use indoors.6. Optimized the bridge to make full use of the Si5351s harmonics. Now the 5th harmonic can be used to measure to 1.5GHz;7. When the fundamental wave is used, the output level of CH0 is increased to 0dBm, and the reflection measurement is more accurate;8. Solve the previous abnormality of NanoVNA-H near 6MHz9. The redesigned power management circuit further reduces power noise, reduces USB power interference, reduces charging current, and protects the battery10. Optimized PCB layout, accommodating 1950mAh battery, more than 8 hours of usepacking list:1. NanoVNA host x 1 (including 4-inch touch screen, 2000mAh battery)2. 15cm SMA male to male RG316 RF cable x 23. SMA female to female connector x14. SMA simple calibration kit SHORT x15. SMA simple calibration kit OPEN x16. SMA simple calibration kit LOAD x17. USB Type-C data cable x18. Type-c to Type-c x1 supports connection with most Android phones9. One pickSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 24cm * 14cm * 3cm / 9.45inch * 5.51inch * 1.18inch Qty per Carton 40 Carton Weight 15.80kgs / 34.83lb Carton Size 50cm * 30cm * 32cm / 19.69inch * 11.81inch * 12.6inch Loading Container 20GP: 555 cartons * 40 pcs = 22200 pcs40HQ: 1289 cartons * 40 pcs = 51560 pcs
£55.99
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PH-2 Pro Litmus Tester Litmus Test Paper Color Change PH Meter Water Quality Meter
The main function:1. Reset function: Press and hold the power button for 3 seconds in the power-on state, and then release it, when the screen displays "----", the reset is successful2. Automatic temperature compensation function: 0-80 degrees Celsius3. Power-off data storage function: the data will be automatically saved after the battery is pulled out, and the storage time is one month4. Test paper function: the color of the backlight will change with the PH value, just like litmus test paperProduct specifications:1. Material: PC + ABS flame retardant2. Calibration method: 3-point automatic calibration3. Resolution: 0.01PH4. Batteries: 2 x LR44 button batteries (batteries are included in the delivery)5. Range: -2-16PH (usually 0-14PH)6. Temperature range: 0-80 degrees Celsius7. Dimensions: 15.5 x 3.2 cm8. Net weight: 58 gramsSpecification: Package Weight One Package Weight 0.14kgs / 0.31lb One Package Size 17cm * 6cm * 3cm / 6.69inch * 2.36inch * 1.18inch Qty per Carton 100 Carton Weight 16.00kgs / 35.27lb Carton Size 37cm * 32cm * 32cm / 14.57inch * 12.6inch * 12.6inch Loading Container 20GP: 703 cartons * 100 pcs = 70300 pcs40HQ: 1633 cartons * 100 pcs = 163300 pcs
£6.99
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Electronic Digital Counter Portable Hand Operated Tally LCD Screen Finger Counter, Random Color
1. Ergonomically designed to fit wearing in finger 2. Portable, compact design, Light weight, easy for carry 3. With luminous function, clear to see, lower consumption Specifications: 1. Brand Name: RV77 2. DIY Supplies: Electrical 3. Type:5-digit Counters 4. Material: Plastic 5. Color: Random 6. Size: 3.8x3x1.8cm 7. Weight: 17g Package Included: 1 x CounterSpecification: Package Weight One Package Weight 0.04kgs / 0.08lb One Package Size 5cm * 5cm * 2cm / 1.97inch * 1.97inch * 0.79inch Qty per Carton 500 Carton Weight 14.00kgs / 30.86lb Carton Size 39cm * 39cm * 15cm / 15.35inch * 15.35inch * 5.91inch Loading Container 20GP: 1168 cartons * 500 pcs = 584000 pcs40HQ: 2713 cartons * 500 pcs = 1356500 pcs
£2.99 £0.99
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WAVESHARE WAVESHARE RP2350 4.3inch Capacitive Touch Display Development Board, Without Case, With Plastic Case
1. The RP2350B microcontroller chip, designed based on the Raspberry Pi architecture2. A unique dual-core, dual-architecture design featuring a dual-core ARM Cortex-M33 processor and a dual-core Hazard3 RISC-V processor, both operating at up to 150MHz, allowing users to switch flexibly between the two architectures3. Features 520KB of SRAM, 16MB of on-board on-chip Flash, and 2MB of PSRAM4. Features a Type-C interface, eliminating the need to worry about orientation when plugging in5. Features a 4.3-inch on-board capacitive touchscreen LCD with 800 × 480 resolution and 65K colors6. Supports I2C interface control for capacitive touch, 5-point touch, and interrupts7. On-board resources include CAN, RS485, I2C interfaces, and isolated digital I/O8. On-board voltage regulator supports a wide input voltage range of 7V to 36V9. Inputs feature bidirectional optocoupler isolation, supporting both passive and active digital inputs; active inputs support both positive and negative voltages10. Outputs feature optocoupler isolation with enhanced drive capability, providing a sink current of up to 450mA (MAX)11. USB 1.1 host and device support12. Supports low-power sleep and hibernation modes13. Can be recognized as a mass storage device via USB for drag-and-drop program downloading14. Precise on-chip clock and timers15. Built-in temperature sensor for real-time chip temperature monitoring16. 12 programmable I/O (PIO) state machines for custom peripheral support17. Size: without case about 11.24 x 7.51 x 1.74 cm; with case about 11.63 x 7.9 x 1.8 cmSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 15cm * 10cm * 4cm / 5.91inch * 3.94inch * 1.57inch Qty per Carton 80 Carton Weight 17.00kgs / 37.48lb Carton Size 47cm * 38cm * 32cm / 18.5inch * 14.96inch * 12.6inch Loading Container 20GP: 466 cartons * 80 pcs = 37280 pcs40HQ: 1083 cartons * 80 pcs = 86640 pcs
£36.99 - £43.99
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Waveshare For Raspberry Pi CM5 Gigabit / 2.5G Dual Ethernet Mini-Computer Supports Dual RJ45 Ethernet Ports, 4K Display Output And Dual MIPI Interfaces, Waveshare 34180
1. CM5 card slot: compatible with all versions of Compute Module 52. Networking: 1000M Ethernet RJ45 port; 2500M Ethernet RJ45 port3. Connectors: Raspberry Pi 40-pin GPIO interface4. MIPI: 4-lane MIPI interface x 2 (22-pin 0.5mm FFC connector)5. Video: HDMI port x 1, supporting 4K output6. M.2: M.2 M KEY (PCIe Gen2/3 x 1)7. Storage: onboard Micro SD card slot (for CM5 versions without eMMC)8. Fan interface: 5V, 4-pin JST-SH PWM fan connector9. Power input: DC 5V 5A10. Size: about 10.1 x 6.2 x 2.34 cmPackaging list:- Metal casing (upper and lower boxes) x 1- CM5-DUAL-ETH-BASE-B x 1- Thermal conductive silicone sheet x 1- Screwdriver x 1- Pink high thermal conductive silicone sheets (5 pieces) x 1- Screw pack x 1Specification: Package Weight One Package Weight 0.81kgs / 1.79lb One Package Size 14cm * 10cm * 5cm / 5.51inch * 3.94inch * 1.97inch Qty per Carton 63 Carton Weight 53.00kgs / 116.84lb Carton Size 44cm * 37cm * 32cm / 17.32inch * 14.57inch * 12.6inch Loading Container 20GP: 511 cartons * 63 pcs = 32193 pcs40HQ: 1188 cartons * 63 pcs = 74844 pcs
£72.99
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Outdoor Handheld Laser Rangefinder Telescope Infrared Electronic Ruler Waterproof High Precision Measuring Instrument
Features1. Six core technologies: Matte texture, portable operation, accurate measurement, waterproof and dust-proof, energy saving and durable, fast measurement2. Four measurement methods: 6x optical system, with basic functions such as speed measurement, ranging, angle measurement, side height, etc., improve work efficiency3. Waterproof and dust-proof: The body is made of TPE rubberized shot, high temperature resistant, wear resistant and IP7 rated. Whether you are indoors or outdoors, cloudy or rainy, you can easily measure4. Anti-pressure, anti-fall, energy saving, durableSpecifications1. Ranging accuracy: +/-0.3M (within 400 meters)2. Speed range: 18-300km/h3. Side angle function: +/-1 degree4. Side height function: Yes5. Laser type: 905mm6. Telephoto magnification: 6X7. Eyepiece aperture: 16mm8. Objective lens aperture: 22mm9. Security level: IEC60852-210. Battery model: CR2-3V11. Product weight: 180g12. Product size: 116 x 78 x 46mm13. Working temperature: 0 degree C-50 degree CSpecification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 17cm * 13cm * 10cm / 6.69inch * 5.12inch * 3.94inch Qty per Carton 118 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 118 pcs = 20886 pcs40HQ: 412 cartons * 118 pcs = 48616 pcs
£122.99
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HAWEEL Cargador solar plegable HAWEEL de 60 W, bolsa de viaje plegable, 60 W
Características 1. Los paneles de energía solar utilizan células solares monocristalinas, que son mucho más eficientes que las células solares ordinarias. 2. Diseño plegable para un transporte más cómodo. 3. Equipado con regulador de voltaje, la salida de voltaje es más estable y la carga es más segura. 4. Tela cómoda, sin miedo al sol, sin miedo a la lluvia, carga sin preocupaciones. 5. Conéctese directamente a su dispositivo a través del puerto USB. 6. Viene con un pequeño bolsillo para mantener el dispositivo guardado de forma segura durante el proceso de carga. Presupuesto 1. Rango de voltaje de entrada: CC 8-24 V 2. Dimensiones: 36 x 35,5 x 5 cm plegado; 110 x 36 cm desplegado Interfaz de CC 1. Voltaje de salida: voltaje de salida solar DC8-24V +/-0.4V 2. Protección: Protección anti-carga inversa (diodo anti-carga inversa de 20 A) 3. Especificación del puerto de CC: material metálico 5521 Interfaz USB1 (negra): 1. Voltaje de salida: 5,1 V +/- 0,2 V 2. Potencia de salida: 15 W 3. Protección de salida: sobretensión de entrada, subtensión, sobrecorriente de salida, protección contra cortocircuitos, protección contra sobretemperatura de toda la máquina. Modo CC 4. Protocolo de carga de salida: compatible con iOS 2.1A, adecuado para Samsung 2.0A DP = 1.2V, DM = 1.2V Compatible con cortocircuito BC1.2 DP y DM 5. Eficiencia de conversión: superior al 85 % Interfaz USB2 (naranja): 1. Voltaje de salida: 5 V-12 V ajustado automáticamente de acuerdo con el protocolo de carga rápida. 2. Potencia de salida: 18 W (5 V 3 A, 9 V 2 A, 12 V 1,5 A, etc.) 3. Protección de salida: sobretensión de entrada, subtensión, sobrecorriente de salida, protección contra cortocircuitos, protección contra sobretemperatura de toda la máquina. Modo CC 4. Protocolo de carga de salida: compatible con QC3.0/QC2.0 Número de certificado Qualcomm: 478786303-2 - Compatible con QC3.0 Clase A: 3,6 V-12 V (0,2 V/paso) - Compatible con QC2.0 Clase A: 5 V, 9 V, 12 V - Admite configuración de voltaje para carga rápida Huawei FCP 5V 9V - Admite configuración de voltaje para carga rápida Samsung AFC 5V 9V - Admite configuración de voltaje de 5 V, 9 V y 12 V de carga rápida Spreadtrum SFCP - Compatible con iOS 2.4A: DP=2,7 V, DM=2,7 V - Soporte para Samsung 2.0A: DP=1.2V DM=1.2V 5. Eficiencia de conversión: superior al 85 % Interfaz TIPO C 1. Voltaje de salida: - 5V-3A se ajusta automáticamente según el protocolo de carga rápida. - 9V-3A se ajusta automáticamente según el protocolo de carga rápida - 12V-3A se ajusta automáticamente según el protocolo de carga rápida - 15V-3A se ajusta automáticamente según el protocolo de carga rápida - 20V-3A se ajusta automáticamente según el protocolo de carga rápida - 13,2 V-3,16 A se ajusta automáticamente según el protocolo de carga rápida 2. Potencia de salida: 60 W 3. Protección de salida: sobretensión de entrada, subtensión, sobrecorriente de salida, protección contra cortocircuitos, protección contra sobretemperatura de toda la máquina. La salida tiene características CV/CC (la corriente de salida es menor que el valor establecido y el modo CV de salida; modo CC). 4. Protocolo de carga de salida: - Funciona con iOS 2.4A - Para Samsung 5V2A - DCP-1.5A -PPS/PD3.0/PD2.0 - Control de calidad 3.0/Control de calidad 2.0 -AFC - FCP - PE2.0/PE1.1 5. Eficiencia de conversión: superior al 94% Especificación: Peso del paquete Peso de un paquete 2,43 kg/5,36 lb Un tamaño de paquete 38 cm * 37 cm * 5 cm/14,96 pulgadas * 14,57 pulgadas * 1,97 pulgadas Cantidad por caja 10 Peso de la caja 24,50 kg/54,01 lb Tamaño de la caja 52 cm x 38 cm x 37 cm (20,47 pulgadas x 14,96 pulgadas x 14,57 pulgadas) Contenedor de carga 20GP: 364 cajas * 10 uds. = 3640 uds. 40HQ: 846 cajas * 10 piezas = 8460 piezas
£66.99