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3pcs 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: 3 x Plastic housing 3 x PCB board 3 x 8*8 self-locking switch 3 x 7mm self-locking switch cap 3 x Single wire 5CM 3 x 8550 transistor 3 x 8050 triode 3 x 5MM Straw Hat LED 3 x 330UH inductor 3 x 102 ceramic capacitor 3 x 510 ohm resistor 3 x 20K resistance 3 x Battery positive piece 3 x Battery negative piece