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Circuit board size: 5.2*5.6CM;
Power supply voltage: 3-5V;
Note: No manual SUPPORT.
Package includes:
1 x PCB board;
18 x LED;
3 x resistor 100ohm;
3 x resistance 10K;
3 x Triode 9014;
3 x 47UF capacitor;
1 x battery box