Search results for "educational electronics"

1. This frequency meter can measure the frequency parameters of continuous carrier signal (intercom, cordless phone) and digital signal (GSM, CDMA, PHS, wireless remote control, etc.), with signal strength indication. It is a maintenance staff, wireless enthusiasts to test the frequency And the preferred tool for signal strength.2. Frequency counting resolution: 200K (dedicated for digital signal), 1K, 100HZ, optional3. Test distance: 450M is about 8 meters. 150M is about 5 meters (please test with actual distance, different instruments have different distances)4. Test range: 50MHZ --- 2400MHZ5. Battery: 9V laminated battery 6F226. Automatic shutdown: 2 minutes (200K file without automatic shutdown)Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 13cm * 11cm * 6cm / 5.12inch * 4.33inch * 2.36inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs40HQ: 412 cartons * 288 pcs = 118656 pcs

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1. Clear sound quality, full frequency radio2. Easy to operate and easy to carry3. Digital processing chip, strong battery life4. Portable handle design, listen to the radio anytime, anywhere, and can be carried to the kitchen, garden, home, camping, etc.5. DSP IC chip and long telescopic antenna to ensure stable reception and compact details6. Frequency indication window, clear and clear digital indication of frequency band, suitable for the elderly to find a station conveniently7. Independent FM channel selection button and volume adjustment, convenient for the elderly to operate8. FM FM radio function, strong radio signal, automatic radio reception, high sensitivity, and self-adaptive application, more radio stations, clear sound9. Permanent magnet horn, the sound is loud and clear10. Power supply mode: 2 AA batteries (not included in the product)11. Signal-to-noise ratio: 10db12. Material: plastic13. Channel selection method: manual14. Radio tuning method: Pointer type15. Impedance: 4 ohms16. Size: 111 x 74 x 21mm17. Weight: 115gSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 13cm * 10cm * 5cm / 5.12inch * 3.94inch * 1.97inch Qty per Carton 194 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 194 pcs = 34338 pcs40HQ: 412 cartons * 194 pcs = 79928 pcs

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1. Networking: 1000M Ethernet RJ45 interface; 2500M Ethernet RJ45 interface2. Connector: Raspberry Pi 40PIN GPIO interface3. USB: USB 3.2 Gen1 x 24. MIPI: 4-lane MIPI interface × 2 (22PIN 0.5mm FFC connector)5. Video: HDMI interface x 2, supports dual 4K output6. M.2: M.2 M KEY (PCIe Gen2/3 x1)7. M.2 (4G/5G): B KEY, supports 4G/5G communication module8. Storage: Onboard Micro SD card slot (for CM5 versions without eMMC)9. Fan Interface: 5V, 4PIN JST-SH PWM fan connector10. Power Input: 7V ~36V wide voltage (round terminal), 5V 5A (Type-C)11. Supports 4-screen display, with added MIPI DSI driver; the system will default to connecting to the screens regardless of whether they are connected, and the screens will display in split-screen mode (this depends on the system version).12. Dimensions: 99.60 x 87.00 mmSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 12cm * 12cm * 4cm / 4.72inch * 4.72inch * 1.57inch Qty per Carton 96 Carton Weight 6.90kgs / 15.21lb Carton Size 50cm * 38cm * 34cm / 19.69inch * 14.96inch * 13.39inch Loading Container 20GP: 412 cartons * 96 pcs = 39552 pcs40HQ: 958 cartons * 96 pcs = 91968 pcs

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1. Using WIFI6 technology, it has a faster transmission rate and lower transmission delay than 5G, achieving second-level screen synchronization. Built-in BT5.0 chip, it can connect to various Bluetooth devices such as Bluetooth speakers and headphones to achieve Hi-Fi sound transmission.2. Multiple interfaces: HY-300 smart projector has HD-MI, USB and audio ports, which can be connected to PC, laptop, Fire Stick, TV box, Xbox, PS5, U disk, DVD, etc.3. Supports connecting to Android or ios phones for screen mirroring. The projector base has a 180-degree rotating bracket4. Automatic keystone correction: Built-in high-precision sensor, which can automatically calibrate the four corners of the projection surface. At the same time, the focus wheel on the front of the projector can adjust the focus to obtain the clearest image possible.5. Native 720P, support 4K: The projector has a native resolution of 1280 x 720, a brightness of 120 ANSI lumens, supports full 4K high-definition video, and can present clear and bright images in dark environments, making it ideal for home theater, entertainment and video Conferences, online teaching.Parameter:1. CPU: Allwinner h713 quad-core Arm Cortex-A532. GPU: Mali-G31 supports OpenGL ES3.2, Vulkan 1.1 and OpenCL 2.03. Resolution: 1280 x 720p, built-in 5W hifi speaker4. Lumens: 120 lumens5. Projection size: 40-200 inches6. System: Android 11 system7. Support: wifi6 2.4g/5.8g dual wifi ieee802.a/b/g/n/ac /ax wifi6 signal is stronger) supports BT2.08. Image format: jpg, bmp, png, support image scaling9. Full format decoding of video files: including hevc/vp9/avs2/avc 4k 60fps and mpeg/av1 1080p/60fps decoding, etc.Warm reminder: This model ships with 1G+8G configuration by default.Specification: Package Weight One Package Weight 0.90kgs / 1.99lb One Package Size 22cm * 14cm * 12cm / 8.66inch * 5.51inch * 4.72inch Qty per Carton 20 Carton Weight 17.50kgs / 38.58lb Carton Size 62cm * 33cm * 46cm / 24.41inch * 12.99inch * 18.11inch Loading Container 20GP: 283 cartons * 20 pcs = 5660 pcs40HQ: 657 cartons * 20 pcs = 13140 pcs

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1. Equipped with the Xtensa 32-bit LX7 dual-core processor, with a main frequency up to 240MHz, delivering robust performance; supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), meeting diverse wireless connectivity needs 2. Built-in 512KB SRAM, 384KB ROM, stacked 4MB Flash, and 2MB PSRAM, offering abundant resources 3. Adopts stamp hole design for enhanced integration, facilitating independent baseboard design 4. Rich peripheral interfaces including 4 × SPI, 2 × I2C, 3 × UART, 2 × I2S, and 2 × ADC 5. Utilizes LR1121, the third-generation low-power LoRa transceiver from Semtechs LR11xx series 6. Supports Sub-GHz (150MHz to 960MHz), S-band (2.0GHz to 2.1GHz), and 2.4GHz ISM frequency bands 7. Connects to cloud platforms via LoRa or LoRaWAN protocols through gateways to build low-power wide-area networks 8. Supports LoRa, (G)FSK, and LR-FHSS modulation, compatible with SX126X/SX127X frequency bands for seamless product upgrades 9. Integrated AES-128 encryption engine for enhanced data security; onboard TCXO crystal ensures frequency stability under high/low-temperature conditions 10. Suitable for IoT applications including industrial telemetry, smart homes, environmental monitoring, and remote data acquisition 11. Includes C language sample programs and user manuals for streamlined development and rapid deployment 12. Operating frequency bands: LF: 410MHz to 510MHz; HF: 850MHz to 930MHzSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 12cm * 8cm * 5cm / 4.72inch * 3.15inch * 1.97inch Qty per Carton 96 Carton Weight 10.70kgs / 23.59lb Carton Size 50cm * 34cm * 32cm / 19.69inch * 13.39inch * 12.6inch Loading Container 20GP: 490 cartons * 96 pcs = 47040 pcs40HQ: 1137 cartons * 96 pcs = 109152 pcs

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Brand Name:RV77 Connection:Plug In Description:1. Suitable for XBOX ONE S/XBOX ONE X use.2. Support Windows 8/8.1/10 system. Specification:Color: blackSize: about 25x16x7cmMaterial: ABSWeight: about 545gPlug type: US plug, EU plug, US to UK plug Suitable for: XBOX ONE S/XBOX ONE XSupported system: Windows 8/8.1/10 Package included:1xpower adapter1xmanual Note:1. Due to the light and screen difference, the items color may be slightly different from the pictures.2. Please allow slight deviation for the measurement data and make sure you do not mind before ordering.Specification: Package Weight One Package Weight 0.48kgs / 1.05lb One Package Size 19cm * 14cm * 5.3cm / 7.48inch * 5.51inch * 2.09inch Qty per Carton 27 Carton Weight 15.00kgs / 33.07lb Carton Size 30cm * 50cm * 50cm / 11.81inch * 19.69inch * 19.69inch Loading Container 20GP: 355 cartons * 27 pcs = 9585 pcs40HQ: 825 cartons * 27 pcs = 22275 pcs

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1. Material: ABS, double-layer acrylic lens2. Magnification: 10 times3. Light source: 2 LEDs4. Power supply: 3 AA batteries (not included)5. Uses: reading, appraising jewelry, checking integrated circuits, etc.6. Size: about 5x15cm7. Weight: about 96 gramsSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 17.5cm * 6.5cm * 4cm / 6.89inch * 2.56inch * 1.57inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs40HQ: 412 cartons * 288 pcs = 118656 pcs

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1. CPU: Amlogic S905X4, Quad Core ARM Cortex A55 2. GPU: G31 MP2 GPU processor 3. Memory: LPDDR4: 4GB 4. Flash: eMMC 32GB 5. WiFi: IEEE 802.11 a/b/g/n/ac, 2.4G / 5G 6. Bluetooth: Support BT4.X, Support Voice Remote 7. Interface: 1xHDMI: HDMI 2.1, Support HDMI CEC, Dynamic HDR and and 8Kx4K 24 max resolution output 1xAV OUT: 480i/576i standard definition output 2xUSB: 1 x USB 3.0, 1 x USB 2.0 1xIR Receiver: Remote Receiver Connect 1xRJ45: Ethernet Interface, Support 10/100M/1000M 1xTF card: Support 4GB/8GB/16GB/32GB/64GB(not included) 8. Power: DC5V 2A 9. OS: Android 11 10. Language: Chinese, EnglishSpecification: Package Weight One Package Weight 0.40kgs / 0.88lb One Package Size 21cm * 15cm * 5cm / 8.27inch * 5.91inch * 1.97inch Qty per Carton 20 Carton Weight 9.40kgs / 20.72lb Carton Size 44cm * 32cm * 28cm / 17.32inch * 12.6inch * 11.02inch Loading Container 20GP: 676 cartons * 20 pcs = 13520 pcs40HQ: 1570 cartons * 20 pcs = 31400 pcs

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Hardware Specifications: 1. Chipset: Quad-core Cortex-A76 and quad-core Cortex-A55 2. GPU: ARM Mali-G610 MP4 3. FLASH: EMMC 32GB/64GB 4. SDRAM: 4GB/8GB LPDDR4/LPDDR4X Power Supply Specifications:1. Power Supply: DC 12V/1.5A2. Power Indicator (LED): Power ON :blue; Standby :Red Main Features:1. OS: Android 12.02. Support Decoder format: H.265 up to 7680x4320 60fps; VP9 up to 7680x4320 60fps; VC1 up to 1920x1088 60fps3. Support Media format: Avi, Ts, Vob, Mkv, Mov, ISO, wmv, asf, flv, dat, mpg, mpeg 4. Support Music format: MP3, WMA, AAC, WAV, OGG, DDP, HD, FLAC, APE 5. Support Photo format: HD JPEG, BMP, GIF, PNG, TIFF 6. HDR: HDR10 and HLG modes 7. USB host: 1 High speed USB 3.0, 1 USB 2.0 8. HDD file system: FAT16/FAT32/NTFS 9. Support Subtitle: SRT/SMI/SUB/SSA/IDX+USB 10. High Definition video output: 8K 60HZ(7680x4320 pixel) 11. OSD type of languages: English, French, German, Spanish, Italian, etc multilateral languages 12. LAN: Ethernet:10/100/1000 standard RJ-45 13. Wireless: WiFi6 2.4G/5G(ax) 14. Bluetooth: Bluetooth 5.0 15. IR: Support 16. Mouse/ Keyboard: Support mouse and keyboard via USB; Support 2.4GHz wireless mouse and keyboard via 2.4GHz USB dongle 17. HDMI: HDMI 2.0a for 8k 60Hz 18. 3D: 3D video formats 19. SPDIF: Support Software Specifications： 1. Network Function: RKMC, Neflix, Vudu, Skype chatting, Picasa, Flicker, Youtube, Facebook, Online movies, etc 2. Other feature: Free Internet searching,thousands of android applications, many kinds of games,etc. Package List:1. TV Box x 1 2. HDMI cable x 1 3. User Manual x 14. Package box x 15. Power adapter x 16. Remote x 1Specification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 18cm * 15cm * 6cm / 7.09inch * 5.91inch * 2.36inch Qty per Carton 20 Carton Weight 11.00kgs / 24.25lb Carton Size 38cm * 32cm * 32cm / 14.96inch * 12.6inch * 12.6inch Loading Container 20GP: 685 cartons * 20 pcs = 13700 pcs40HQ: 1590 cartons * 20 pcs = 31800 pcs

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Features:1. Multiple playback modes, Bluetooth/TF card/U disk can be switched at will2. Dual solar panels on the top make charging more convenient3. Flashlight design on the side makes outdoor lighting more convenient4. The antenna is made of high-quality materials, with stronger signals, more channels to search, and more stable signals5. Bluetooth 5.0 version is adopted, which is compatible with all smart devices such as mobile phones/tablets, with fast connection speed, lower power consumption, and stable transmission6. Equipped with shoulder straps, which makes it more convenient to carryProduct parameters:1. Material: plastic, metal2. Function: card insertion, lighting, call function, radio, broadcast, Bluetooth speaker3. Bluetooth version: 5.04. Effective distance: 10 meters5. Frequency response range: 100HZ-20KHZ6. Signal-to-noise ratio: 95dB7. Number of speakers: 18. Speaker specifications: 52mm9. Battery capacity: 1200mAh10. Charging voltage: 5V11. Product size: 200 x 74 x 87mm12. Net weight: 477gPacking list:-Bluetooth speaker x 1-Charging cable x 1-Carrying strap x 1Specification: Package Weight One Package Weight 0.53kgs / 1.18lb One Package Size 21cm * 8cm * 10cm / 8.27inch * 3.15inch * 3.94inch Qty per Carton 60 Carton Weight 32.80kgs / 72.31lb Carton Size 51cm * 46cm * 50cm / 20.08inch * 18.11inch * 19.69inch Loading Container 20GP: 227 cartons * 60 pcs = 13620 pcs40HQ: 527 cartons * 60 pcs = 31620 pcs

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1. Material: polycarbonate material2. Transmitting frequency: ≤12W3. Battery capacity: 4200 mA4. Working voltage: 7.4V5. Frequency range: 400-520MHZ6. Applicable scenarios: service/catering/site/property/warehouse, etc.7. 1000 times drop test, improve resistance to drop and impact8. 2-15km talking distance9. Dimensions: 135x50x33 mm10. Weight: about 480 gramsSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 21cm * 25.5cm * 6cm / 8.27inch * 10.04inch * 2.36inch Qty per Carton 60 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 60 pcs = 10620 pcs40HQ: 412 cartons * 60 pcs = 24720 pcs

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CT6021A1. Range: 0.0 ~ 14.0PH2. Error: 0.1PHCT63221. PH meter / conductivity / temperature2. Data retention function3. Automatic temperature compensation functionCT80231. Measurement range: 0 ~ 2400ppb2. Measurement accuracy: +-10ppb3. Resolution: 2ppb4. Temperature range: 0 to 50 degrees5. Resolution: 0.1 degrees6. With automatic shutdown function7. With data lock function8. With waterproof function9. Product battery: LR44 BAT*410. Product size: 188 × 38 mm11. Product weight: 82 gramsSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 20cm * 5cm * 4cm / 7.87inch * 1.97inch * 1.57inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs40HQ: 412 cartons * 288 pcs = 118656 pcs

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