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20pcs 5MM LED Flashlight Convenient Light Kit Simple LED Boost Drive DIY Electronic Kit
Feature: Shell size: 55 x 35 x 15mm PCB board size: 5 x 2 x 1mm Operating voltage: 1.5V (AAA battery) Kit weight: 17 grams Note: This is a DIY kit, you need to assemble it. Package includes: 20 x Plastic housing 20 x PCB board 20 x 8*8 self-locking switch 20 x 7mm self-locking switch cap 20 x Single wire 5CM 20 x 8550 transistor 20 x 8050 triode 20 x 5MM Straw Hat LED 20 x 330UH inductor 20 x 102 ceramic capacitor 20 x 510 ohm resistor 20 x 20K resistance 20 x Battery positive piece 20 x Battery negative piece