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1. Material: brass2. Weight: about 130g3. Package size: about 12.8 x 9 x 2.3cm4. Packing list: TC-454T x 100pcs, TC-454A x 100pcs, 2TC-454B x 100pcs, TC-454C x 100pcs, TC-453 x 100pcsFeatures:1. Easy crimping, no need to strip and solder to connect cables quickly2. U-shape brass clasp, 5 sizes of wiring clasp for different sizes of wires3. Made of brass, high hardness, not easy to rust, wear and corrosion, good conductivity, stable and reliable wiring4. Widely used in automobile, machinery, electric power, railroad, shipbuilding, aviation, home appliances, computer or other automation equipmentSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 15cm * 11cm * 4cm / 5.91inch * 4.33inch * 1.57inch Qty per Carton 100 Carton Weight 14.10kgs / 31.08lb Carton Size 47cm * 32cm * 28cm / 18.5inch * 12.6inch * 11.02inch Loading Container 20GP: 633 cartons * 100 pcs = 63300 pcs40HQ: 1470 cartons * 100 pcs = 147000 pcs

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Features1. Connector: SMA male (inside screw & male pin inside)RF connector 2. Nickel-plated machined brass construction 3. Gold-plated contacts teflon insulator 4. Impedance: 50 ohm 5. You may need other connectors: All of SMA connectorsSpecification: General Material Metal Input Impedance 50 ohms Connector Types SMA Male Size 1.8*0.8*0.8cm Weight 3.5g Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 4cm * 4cm * 1cm / 1.57inch * 1.57inch * 0.39inch Qty per Carton 300 Carton Weight 8.70kgs / 19.18lb Carton Size 48cm * 32cm * 34cm / 18.9inch * 12.6inch * 13.39inch Loading Container 20GP: 510 cartons * 300 pcs = 153000 pcs40HQ: 1185 cartons * 300 pcs = 355500 pcs

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1. The ESP32-S3-Touch-LCD-1.83 is a high-performance, highly integrated microcontroller development board. 1. In a compact form factor, the board integrates a 1.83-inch capacitive LCD screen, a highly integrated power management chip, a six-axis sensor (three-axis accelerometer and three-axis gyroscope), RTC, and a low-power audio codec chip, facilitating development and embedding into products.2. Equipped with ESP32-S3R8 high-performance Xtensa 32-bit LX7 dual-core processor, with a clock speed up to 240MHz.3. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with an onboard antenna.4. Built-in 512KB SRAM and 384KB ROM, stacked 8MB PSRAM and external 16MB Flash.5. Uses a Type-C interface, improving user convenience and device compatibility.6. Onboard 1.83-inch capacitive touch LCD screen, 240 × 284 resolution, 65K colors.7. Built-in ST7789P driver chip and CST816D capacitive touch chip, communicating via SPI and I2C interfaces respectively, without occupying excessive interface pins.8. Onboard QMI8658 six-axis inertial measurement unit (3-axis acceleration, 3-axis gyroscope), capable of detecting motion posture, step counting, and other functions.9. Onboard PCF85063 RTC chip, connected to the battery via AXP2101 for uninterrupted power supply.10. Onboard PWR and BOOT side buttons with customizable functions, facilitating custom function development using the buttons.11. Onboard JST 1.2mm lithium battery charging and discharging interface.12. Provides 1 I2C, 1 UART, and 1 USB solder pads for external devices and debugging, allowing flexible configuration of peripheral functions.13. Onboard micro SD card slot, supporting storage expansion and fast data transfer, facilitating data recording and media playback functions, and simplifying system circuit design.14. AXP2101 provides efficient power management solutions, supports multiple configurable voltage outputs, integrates charging and battery management functions, and helps extend battery life.15. High touch screen transmittance, fast response, and long lifespan16. Display panel: IPS17. Display size: 1.83 inches18. Display resolution: 240 x 284 pixels19. Display colors: 65K20. Display brightness: 300 cd/㎡21. Contrast ratio: 1200:122. Communication interface: SPI23. Driver IC: ST7789P24. Touch control: supported25. Touch control IC: CST816DSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 8cm * 8cm * 4cm / 3.15inch * 3.15inch * 1.57inch Qty per Carton 192 Carton Weight 20.30kgs / 44.75lb Carton Size 50cm * 34cm * 34cm / 19.69inch * 13.39inch * 13.39inch Loading Container 20GP: 461 cartons * 192 pcs = 88512 pcs40HQ: 1071 cartons * 192 pcs = 205632 pcs

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OverviewThis AlphaBot2 robot kit is designed to use with Raspberry Pi 3 Model B. It features rich common robot functions including line tracking, obstacle avoiding, Bluetooth/infrared/WiFi remote control, video monitoring, etc.Thanks to the highly integrated modular design, it is fairly easy to assemble by a snap, no soldering, no wiring. After a few minutes spent on hardware assembing, you're almost there, our open source demo codes is ready to help you get started fast.Raspberry Pi 3 Features1. BCM2837, 1.2GHz 64-bit quad-core ARM Cortex-A532. 1GB RAM3. 10/100 Ethernet port4. 802.11n WiFi NIC5. Bluetooth 4.1 & Bluetooth Low Energy (BLE)6. HDMI port7. USB 2.0 interface x 48. Micro SD card slot9. Combined 3.5mm audio jack and composite video10. 40-pin GPIO interface11. Camera interface (CSI)12. Display interface (DSI)13. Upgraded power management, supports more peripherals (requires a 2.5A power supply or above)AlphaBot2 FeaturesAlphaBot2 employs a 2-layer structure to provide excellent stability and compatibility.AlphaBot2-Base, the lower base chassis:1. 5-ch infrared sensor, analog output, combined with PID algorithm, stable line tracking2. Onboard modules like line tracking, obstacle avoiding, needs no messy wiring3. TB6612FNG dual H-bridge motor driver, compared with L298P, it's more efficient, more compact, and less heating4. N20 micro gear motor, with metal gears, low noise, high accuracy5. 5Onboard RGB LEDs, true color lighting, pretty coolAlphaBot2-Pi, the upper adapter board for controller:1. LM2596 voltage regulator, provides the Pi with stable 5V power2. TLC1543 AD acquisition chip, allows the Pi to use analog sensors3. PCA9685 servo controller, make it more smoothly to rotate the pan head4. CP2102 UART converter, easy for controlling the Pi via UARTPackage Contents1. AlphaBot2-Pi (adapter board) x12. AlphaBot2-Base (base chassis) x13. RPi Camera (B) x14. Micro SD Card 16GB x15. Power adapter US standard 5V/3A micro x16. SG90 servo x25. 2 DOF pan and tilt kit x17. IR remote controller x18. FC-20P cable 8cm x19. USB type A plug to micro B plug cable x110. 15PIN FFC 25cm x111. AlphaBot2-Pi screws x112. Micro SD Card Reader x1 (Extra Free)13. Screwdriver x1 (Extra Free)Specification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 15cm * 11cm * 8cm / 5.91inch * 4.33inch * 3.15inch Qty per Carton 60 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 33cm * 40cm / 23.62inch * 12.99inch * 15.75inch Loading Container 20GP: 336 cartons * 60 pcs = 20160 pcs40HQ: 781 cartons * 60 pcs = 46860 pcs

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1. Connector 1: RCA male plug 2. Connector 2: 2-screw terminal plug 3. Used for extending the length of the RCA cable, charging extension function 4. No soldering required, use stranded or solid core wire and a small screw driver to create custom cables 5. Product length: about 30cm 6. Product cable diameter: OD 4mm 7. Fine solder joints, resistance to plug, and good contact to ensure transmission signal stability, durability and a long lifeSpecification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 12cm * 7cm * 2cm / 4.72inch * 2.76inch * 0.79inch Qty per Carton 200 Carton Weight 8.00kgs / 17.64lb Carton Size 42cm * 37cm * 25cm / 16.54inch * 14.57inch * 9.84inch Loading Container 20GP: 686 cartons * 200 pcs = 137200 pcs40HQ: 1593 cartons * 200 pcs = 318600 pcs

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1. Copper core motor, strong wind, fast heat dissipation, safe and durable2. Low noise, long life, low energy consumption, large air volume, stable operation, fast start3. High-strength and high-toughness fan blade, one-time injection molding, long service life, not easy to deform and break; not only has strong wind power but also effectively reduces noise4. The metal shell is strong and durable, with the characteristics of anti-drop, corrosion resistance, oxidation resistance, high temperature resistance, etc.; it can be used in high temperature environment for a long time, with stable performance5. Scope of application: heat dissipation of mechanical equipment6. Applicable temperature: -10 to 60 degrees Celsius7. Noise: 44DB8. Frequency: 50/60HZ9. Voltage: 220V10. Lead length: 25cm11. Speed: 2600R/MIN12. Motor power: 25W13. Current: 0.14A14. Bearing: oily15. Blade diameter: 110MM16. Blade material: PVC plastic17. Outer frame material: black painted metal18. Product life: 60000 hours19. Wind pressure: 6.8MMH2020. Air volume: 2.58CFM21. Size: 120 x 120 x 38MM22. Weight: 350GSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 14cm * 14cm * 5cm / 5.51inch * 5.51inch * 1.97inch Qty per Carton 74 Carton Weight 30.00kgs / 66.14lb Carton Size 58cm * 58cm * 20cm / 22.83inch * 22.83inch * 7.87inch Loading Container 20GP: 396 cartons * 74 pcs = 29304 pcs40HQ: 920 cartons * 74 pcs = 68080 pcs

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1. Connector 1: Mini 5 Pin male plug 2. Connector 2: 5-screw terminal plug 3. Used for extending the length of the Micro USB cable, charging extension function 4. No soldering required, use stranded or solid core wire and a small screw driver to create custom cables 5. Product length: about 30cm 6. Product cable diameter: OD 4mm 7. Fine solder joints, resistance to plug, and good contact to ensure transmission signal stability, durability and a long lifeSpecification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 12cm * 7cm * 2cm / 4.72inch * 2.76inch * 0.79inch Qty per Carton 200 Carton Weight 8.00kgs / 17.64lb Carton Size 42cm * 37cm * 25cm / 16.54inch * 14.57inch * 9.84inch Loading Container 20GP: 686 cartons * 200 pcs = 137200 pcs40HQ: 1593 cartons * 200 pcs = 318600 pcs

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1. Connector 1: 3.5mm female plug 2. Connector 2: 3-screw terminal plug 3. Used for extending the length of the 3.5mm cable, charging extension function 4. No soldering required, use stranded or solid core wire and a small screw driver to create custom cables 5. Product length: about 30cm 6. Product cable diameter: OD 4mm 7. Fine solder joints, resistance to plug, and good contact to ensure transmission signal stability, durability and a long lifeSpecification: Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 14cm * 9cm * 2cm / 5.51inch * 3.54inch * 0.79inch Qty per Carton 200 Carton Weight 7.50kgs / 16.53lb Carton Size 47cm * 30cm * 42cm / 18.5inch * 11.81inch * 16.54inch Loading Container 20GP: 450 cartons * 200 pcs = 90000 pcs40HQ: 1045 cartons * 200 pcs = 209000 pcs

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1. Precise positioning, precise temperature, rapid temperature rise, non-slip weight increase, digital display temperature, intelligent 15 minutes sleep 2. 183 degrees three minutes extreme speed rise, fast stratification, safe disassembly, no damage to the motherboard 3. For iPhone 12 series 4. Also supports CPU, hard disk IC, baseband IC degumming 5. Professional repair tools aim to give assistance during device repairing. 6. Through the unique bonding function of the welding platform, the upper and lower layers of the motherboard can become more standard when bondingSpecification: Package Weight One Package Weight 1.64kgs / 3.61lb One Package Size 30cm * 18cm * 6cm / 11.81inch * 7.09inch * 2.36inch Qty per Carton 10 Carton Weight 17.20kgs / 37.92lb Carton Size 40cm * 32cm * 32cm / 15.75inch * 12.6inch * 12.6inch Loading Container 20GP: 651 cartons * 10 pcs = 6510 pcs40HQ: 1511 cartons * 10 pcs = 15110 pcs

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Model Number:Magnetic Welding HolderDescription:1. Material: steel + strong magnetic2. Size: 25 lbs: 83 x 15 x 10.2 mm, 50 lbs: 102 x 17 x 12.2 mm, 75 lbs: 122 x 25 x 20.4 mm;3. Weight: 25 pounds 328 grams, 50 pounds 580 grams, 75 pounds 1014 grams4. Function introduction: The welding positioner is an auxiliary tool that can be operated by replacing the two hands to provide a certain labor saving and protection.5. Tip: Use the positioning magnet to recommend plane welding or low-altitude fixed use.Specification: Package Weight One Package Weight 1.10kgs / 2.43lb One Package Size 30cm * 25cm * 25cm / 11.81inch * 9.84inch * 9.84inch Qty per Carton 26 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 26 pcs = 4602 pcs40HQ: 412 cartons * 26 pcs = 10712 pcs

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Type:Welding TorchWelding Capacity:Stitching1. Made from high grade durable metal2. Uses refined butane as it's fuel3. Adustable wind-resistant jet flame4. Portable and safe5. Ideal for cooking,soldering, brazing,plumbing and so on6. Each tank gas can be used continuously for 1.6 hours~2 hours. When the gas has been used up, it takes only 2 seconds to replace the new gas tank7. Flame temperature: flame temperature adjustable8. Can be equipped with gas tank: butane gas tank (buyers need to buy it yourself)Specification: Package Weight One Package Weight 0.23kgs / 0.52lb One Package Size 20cm * 30cm * 5cm / 7.87inch * 11.81inch * 1.97inch Qty per Carton 60 Carton Weight 14.80kgs / 32.63lb 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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1. Material: strong magnetic NdFeB2. Angle: 20 degrees -200 degrees3. Net weight: 400g4. Dimensions: 120X78X16mm5. Pull-off force: 35 kg6. Application: suitable for hardware finishing and iron welding positioning in the construction industry7. Features: A clear scale is displayed on the fixture, and the workpiece is held externally to form an arbitrary angle within 20-200 degrees, which can quickly and accurately fix the workpiece, and can also be easily welded inside.8. The angle can be quickly changed by locking with a hex wrench, both inside and outside are magneticSpecification: Package Weight One Package Weight 0.42kgs / 0.93lb One Package Size 23cm * 18cm * 5cm / 9.06inch * 7.09inch * 1.97inch Qty per Carton 70 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 70 pcs = 12390 pcs40HQ: 412 cartons * 70 pcs = 28840 pcs

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