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Packing List: 1pcs PCB board 512 pcs 3 mm white blue super bright LED 2Pcs 40 p round female row 9pcs 20 p IC socket 9pcs 74 HC573 DIP 1pcs USB to DC005 cable 1pcs DC005 power socket 1pcs 18 p IC socket 1Pcs ULN2803 DIP 1pcs 40 p IC socket 1pcs STC12C5A60S2 (Have written procedures) 1pcs A09103 Resisters 1pcs 8 * 8 Selflocking switch 2pcs 10UF/25V electrolytic capacitor 1pcs 12 M crystals 2pcs 22P ceramics capacitor 8pcs 470ohm resistor 2pcs 4.7K ohm resistor 1pcs LED strips 1pcs 0.8 single conductor cable