Search results for "environmental electronics"

Feature1. Ideal and necessary tools for gardeners, vegetable and fruit growers and all those who plant trees and grasses2. You can take good care of your plants.3. Suitable for indoor and outdoor plants, gardens and lawns.4. Simply insert the meter into the soil, switch to the setting you want to measure and read the scale.5. To avoid damage to the electrode, clean the electrode after each use, do not use it in soil with gems and forcibly insertSpecification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 33.2cm * 9.8cm * 3.5cm / 13.07inch * 3.86inch * 1.38inch Qty per Carton 180 Carton Weight 15.00kgs / 33.07lb Carton Size 90cm * 55cm * 41cm / 35.43inch * 21.65inch * 16.14inch Loading Container 20GP: 131 cartons * 180 pcs = 23580 pcs40HQ: 305 cartons * 180 pcs = 54900 pcs

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1. Number of slots: UMS4: 4 slots, UMS2: 2 slots2. Input voltage/current: DC 5V/2A, 12V/1.5A3. Rated power: 18w4. Output voltage: 4.35V / 4.2V / 3.7V / 1.48V5. Note: The product only contains the charger, without batteries and other accessoriesOutput current:1. Fast charge mode: 3000mA x 1, 2000mA x 2, 1000mA x 42. Standard mode: 2000mA x 1, 1000mA x 2, 500mAx 4Universal battery1. IMR / Li-ion / LiFePO4: 10440, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500 , 22650, 25500, 26500, 26650, 267002. Ni-MH/Ni-Cd: AA, AAA, AAAA, C, DSpecification: Package Weight One Package Weight 0.70kgs / 1.55lb One Package Size 22cm * 16cm * 8cm / 8.66inch * 6.3inch * 3.15inch Qty per Carton 20 Carton Weight 15.00kgs / 33.07lb Carton Size 42cm * 45cm * 32cm / 16.54inch * 17.72inch * 12.6inch Loading Container 20GP: 440 cartons * 20 pcs = 8800 pcs40HQ: 1023 cartons * 20 pcs = 20460 pcs

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1. Material: PP+PC+electronic components2. Power: 5W3. Voltage: 5V/1A4. Style: Type-C rechargeable 1200mAh/Direct Plug (Optional)5. High-density safety grille to prevent children from accidentally inserting their fingers and getting cut.6. Sturdy base, thick and stable, not easy to tip over.7. High-speed rotation creates multiplied air pressure, delivering a powerful breeze comparable to a high-speed hair dryer.8. Large-angle propeller-style bionic fan blades create vortex airflow, providing instant cooling.9. 360-degree manual adjustment, circulating cool air throughout the room without dead zones.10. Three lighting levels, including a soft ambient night light for nighttime use.11. Low-noise reduction technology gently protects sensitive sleepers, creating a comfortable sleep environment.12. Dimensions: 18.8x8x23.7cmSpecification: Package Weight One Package Weight 0.41kgs / 0.91lb One Package Size 21cm * 11cm * 26cm / 8.27inch * 4.33inch * 10.24inch Qty per Carton 32 Carton Weight 13.00kgs / 28.66lb Carton Size 77cm * 43cm * 53cm / 30.31inch * 16.93inch * 20.87inch Loading Container 20GP: 151 cartons * 32 pcs = 4832 pcs40HQ: 352 cartons * 32 pcs = 11264 pcs

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Product Presentation：Do you have 4 power amplifiers and 2 sets of speakers that need to be connected to each other? Do you need four amplifiers and two sets of speakers to get stuck?A powerful amplifier and audio switcher can solve these problems,1. 4 power amplifiers push-button select switch input,2 sets of stereo speakers push-button select switch output (2 sets of speakers can be opened or closed independently)2. sets of stereo speakers can sound at the same time, you can also turn off one group of speakers or more groups of speakers individually, manually select the pushbutton switch3. The maximum power of each channel is 300W4. Signal input provides vacuum tube power amplifier signal no-load protection function5. manual selection of input and output switching, straight plug straight use, switching signal stability, between channels will not produce another dry close or noise6. Compact design of solid metal shell, easy installation, the product does not need external power7. Simple installation: Input and output plug and play easy installation, you can enjoy different audio experienceProduct Parameter：1. Compatible with all types of power amplifiers and speakers2. Input/output accepts heavy-duty speaker wire or speaker pin wire through the terminal port3. Connect the power amplifier to amplifier 1-2-3-44. Connect the loudspeaker to position A and B respectively5. Turn on your power amplifier stereo device and the product requires no external power supply6. Input:4 sets of inputs (banana plug)7. Output: 2 sets of output (banana plug)8. Power: Up to 300W9. Metal material, fine steel housing, compact size suitable for any system10. Channel Power: Each channel supports up to 300W of power11. Frequency response: 10Hz-50KHz12. Net weight: 0.93 kg13. Packed weight: 1.09 kg14. Product size: length 240mm x width 105mm x height 55mm15. Packing size: length260mm x width 185mm x height 65mm16. Kit list：4 input 2 output power amplifier and sound switcher loudspeaker switch distributor x 1Specification: Package Weight One Package Weight 1.21kgs / 2.67lb One Package Size 26cm * 19cm * 7cm / 10.24inch * 7.48inch * 2.76inch Qty per Carton 26 Carton Weight 30.00kgs / 66.14lb Carton Size 78cm * 57cm * 21cm / 30.71inch * 22.44inch * 8.27inch Loading Container 20GP: 285 cartons * 26 pcs = 7410 pcs40HQ: 663 cartons * 26 pcs = 17238 pcs

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This is 433Mhz RF transmitter with receiver kit for Arduino ARM MCU wirelessApplication environmentRemote control switch, receiver module, motorcycles, automobile anti-theft products, home security products, electric doors, shutter doors, windows, remote control socket, remote control LED, remote audio remote control electric doors, garage door remote control, remote control retractable doors, remote volume gate, pan doors, remote control door opener, door closing device control system, remote control curtains, alarm host, alarm, remote control motorcycle remote control electric cars, remote control MP3.SpecificationReceiver module: 1. Product Model: XD-RF-5V2. Operating voltage: DC5V3. Quiescent Current: 4MA4. Receiving frequency: 433.92MHZ5. Receiver sensitivity: -105DB6. Size: 30x14x7mmTransmitter:Technical parameters1. Product Model: XD-FST4. Launch distance: 20-200 meters (different voltage, different results)3. Operating voltage: 3.5-12V4. Dimensions: 19 * 19mm8. Operating mode: AM6. Transfer rate: 4KB / S7. Transmitting power: 10mW8. Transmitting frequency: 433M9. Pinout from left to right: (DATA; VCC; GND)Package included1. 1 x Receiver module2. 1 x TransmitterSpecification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 5cm * 4cm * 1cm / 1.97inch * 1.57inch * 0.39inch Qty per Carton 4800 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 4800 pcs = 1329600 pcs40HQ: 644 cartons * 4800 pcs = 3091200 pcs

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1. Material: Aluminum alloy shell2. Power supply voltage: DC12-28V3. Power: 100W4. Input: DC+TYPE-C dual port input5. Support fast charge protocol: PD2.0 PD3.0 PPS, For Qualcomm QC4+/QC3.0, For Huawei SCP/FCP, For OPPO VOOC, For OnePlus DASH, For iOS 2.4A, For Samsung AFC, For VIVO 9V 2A dual engine, For MediaTek PE2.06. Features:Exquisite and small, the digital tube displays the current and voltage, can switch the display content intelligently, and has strong compatibility. After the fast charge protocol is activated, the digital tube will display the output fast charge protocol type.7. Weight: About 60 grams8. Size: About 5.3x4.6x2.1 cmInstructions for use:1. Withstand voltage within 32V, it is recommended to use within 28V. This module is a pure step-down module and has no boost function. If you want to use 20V output, you must use a DC power supply above 21V; low voltage can reach 6V, but 6V is mostly fast the charge will not be activated, and the output power of 100W can only be reached when the PD is output (PD20V, 5A)2. For low-voltage and high-current fast charging, please use the original data cable. If you want to measure the charging voltage and current, you must use a low-resistance USB meter, otherwise the charging current will be affected.3. OPPO and OnePlus mobile phones must use USB port for charging, QC4+/QC4.0/PD3.0 and other protocols must use TYPE-C port4. When the USB port and TYPE-C port are plugged into the mobile phone at the same time, both ports are 5V outputSpecification: Package Weight One Package Weight 0.08kgs / 0.17lb One Package Size 10cm * 8cm * 3cm / 3.94inch * 3.15inch * 1.18inch Qty per Carton 200 Carton Weight 15.00kgs / 33.07lb Carton Size 52cm * 36cm * 37cm / 20.47inch * 14.17inch * 14.57inch Loading Container 20GP: 385 cartons * 200 pcs = 77000 pcs40HQ: 893 cartons * 200 pcs = 178600 pcs

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1. Small power generation system: 7AH/12V lead-acid battery system automatically charges when plugged into the solar panel, and 4 indicators dynamically display the charging capacity. When connecting a light bulb, plugging in a mobile phone or other digital product socket, you need to turn on the power switch to discharge.2. The polycrystalline solar panel will automatically charge when placed in a place exposed to the sun and plugged in with a power cord.3. The light bulb adopts high-quality chips, with high color rendering, low light attenuation, stable light emission, and long life. Matching two bulbs, each bulb with a 4-meter wire, with an on-line switch, and a lamp holder.4. The LED lamp tube adopts high-quality chips, with high brightness, low light attenuation, stable lighting and long life. Each lamp has a 4-meter cable and an on-line switch.5. Comes with a multi-interface USB charging cable, allowing you to charge your mobile phone or other digital products anytime and anywhere during travel.6. Specifically designed for remote areas without power grid, providing simple lighting and power solutions.7. The solar lighting system is a small generator that integrates lighting and charging functions.8. Solar panel size: 335 x 250mm9. Power generation system size: 200 x 195mmSpecification: Package Weight One Package Weight 4.24kgs / 9.36lb One Package Size 36cm * 14cm * 28cm / 14.17inch * 5.51inch * 11.02inch Qty per Carton 7 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 7 pcs = 1239 pcs40HQ: 412 cartons * 7 pcs = 2884 pcs

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1. Light to 133 grams, easy to wear, lecture not tired2. Using 13-core Rutilon speaker, with excellent sound quality, loud volume does not break the sound and not harsh3. Using digital efficacy system, low distortion, high clarity4. Noise reduction microphone / noise reduction speaker, no whistling, so that the sound is more dynamic5. Support insert TF card / U disk, can be used while chargingParameters:1. Material: ABS2. Rated power: 5W3. Input voltage: DC 3.7V DC 5.0V4. Li-ion battery capacity: 1500 mA5. Frequency response range: 40Hz-20KHz6. Distortion: +/- 1% (3.7V, 1Khz, 1W)7. Signal to noise ratio: 83dB8. Playback format: MP39. Impedance: 2Ω10. Operating temperature: -5 ~ 40 degrees Celsius11. Size: 85 x 85 x 34mmPackage includes:1 x mini audio speaker1 x Wired Headset Microphone1 x Belt1 x usb data cable1 x instruction manualSpecification: Package Weight One Package Weight 0.30kgs / 0.65lb One Package Size 18cm * 14cm * 8cm / 7.09inch * 5.51inch * 3.15inch Qty per Carton 98 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 98 pcs = 17346 pcs40HQ: 412 cartons * 98 pcs = 40376 pcs

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Features1. The potentiometer adjusts the volume with a switch for easy control of the volume, making it good for DIY speakers.If it is a metal box, you need to bring out the Bluetooth antenna. 2. The copper DC connector is used to withstand high current and no heat. 3. Capacitor 470uf35V solid capacitors ensure power storage and heat dissipation, and stable power supply is a prerequisite for good sound quality. 4. Free DC head lead, compatible with the input power interface of this product, even if you do not have a DC head adapter or battery, it can be easily wired. 5. Bluetooth 5.0 version, the transmission efficiency is higher, the transmission distance is farther. Precautions for use: The power switch on the board is the standby switch. After the switch is turned off, the machine is in a low-power standby state. To completely turn off the power or unplug the DC plug on the machine for a long time.Specification1. Material: ABS plastic 2. Bluetooth version: 5.0 3. Adaptation supply voltage: 5-24V(optional 9/12/15/18/24V adapter, high power recommended high voltage) 4. Adapter speaker: 30-200W, 4 ohms - 8 ohms 5. Number of channels: Left and right stereo(stereo) 6. Bluetooth transmission distance: 15m(without occlusion) 7. Protection mechanism: Self-recovery overheat protection, self-recovery short circuit protection 8. Size: 55 x 38 x 17mm Tip: To have enough out put power if the input is sufficient and the supply voltage/current is sufficient. The power supply voltage is higher and the relative power will be larger. The speakers with different impedances will have different output power. In the case of sufficient voltage and current, the larger the ohms of the horn, the smaller the relative sound powre. Please pay attention! Power supply voltage: 12V--8 ohm speaker/12W(left channel) + 12W(right channel), 4 ohm speaker/20W + 20W 15V--8 ohms/18 + 18W, 4 ohms/greater than 30 + 30W 19V--8 ohms/32 + 32W, 4 ohms/greater than 45 + 45W 24V--8 ohms/38 + 38W, 4 ohms/greater than 50 + 50WSpecification: Package Weight One Package Weight 0.07kgs / 0.15lb One Package Size 13cm * 6cm * 3cm / 5.12inch * 2.36inch * 1.18inch Qty per Carton 200 Carton Weight 14.80kgs / 32.63lb Carton Size 32cm * 32cm * 53cm / 12.6inch * 12.6inch * 20.87inch Loading Container 20GP: 491 cartons * 200 pcs = 98200 pcs40HQ: 1140 cartons * 200 pcs = 228000 pcs

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🔥 Hear your performance clearly and move with confidence.The XTUGA RW2080 UHF wireless in-ear monitor receiver is designed for stage performers who need dependable wireless monitoring without being tied to a fixed position. With 40 preset channels, LCD status display and a 3.5mm earphone output, it is built for practical live-performance use.✅ Key benefits 40 preset channels across 4 groups 572–603MHz operating frequency range LCD status display 3.5mm earphone output Compact bodypack format 2 AA batteries required (not included) 📸 More Product Photos

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1. 100% brand new and high quality. 2. Small and lightweight, easy to carry. 3. Display devices use high bright LED digital tube, stunning display effect. 4. With reverse polarity protection, reverse not burned. 5. The voltmeter only two wires, wiring simple and reliable performance. 6. Measuring Range: DC 2.5-30V. 7. Operation temperature: -10~65 degrees Celsius. 8. Red wire is connected to positive pole, and black wire to negative pole.Specification: General Model V40D Material ABS Measure Range DC 2.5-30V Voltage Operating Temperature -10 ~ 65 Degree Celsius Cable Length 18cm LCD Display 2*1.4cm Size 40*25*20mm Weight 22.5g Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 7cm * 3cm * 2.5cm / 2.76inch * 1.18inch * 0.98inch Qty per Carton 500 Carton Weight 15.00kgs / 33.07lb Carton Size 37cm * 32cm * 27cm / 14.57inch * 12.6inch * 10.63inch Loading Container 20GP: 834 cartons * 500 pcs = 417000 pcs40HQ: 1936 cartons * 500 pcs = 968000 pcs

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1. Product material: ABS+PP 2. Rated power: 4W 3. Input: 5V/1A 4. Fan blades: 6-inches blades x 5 (diameter 137mm) 5. Gear: 4 gears wind speed 6. The LED screen displays the remaining power and the number of gears 7. Battery capacity: 5000mAh 8. Charging time: about 5.5 hours 9. Charging port: Type-C 10. Product size: 146x228x106mm 11. Net weight: 432gSpecification: Package Weight One Package Weight 0.57kgs / 1.26lb One Package Size 18cm * 24cm * 11.5cm / 7.09inch * 9.45inch * 4.53inch Qty per Carton 24 Carton Weight 14.00kgs / 30.86lb Carton Size 54cm * 47cm * 48cm / 21.26inch * 18.5inch * 18.9inch Loading Container 20GP: 218 cartons * 24 pcs = 5232 pcs40HQ: 508 cartons * 24 pcs = 12192 pcs

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