1,The Power Supply: Can be used for various 3.3V or 5V single chip microcomputer to control lighting through wire connection, no additional drive required, and can also light up with direct power supply. 2,Simple Control: High level on and low level off. The dimming can be controlled by PWM, making the operation simple and efficient. 3,Broad Utility: Allows for wide application on MCU control, indicator light, lamp tube and so on, and the pretty lighting enables good decoration. 4,10Pcs in Total: There are 10pcs LED chip bulb in the set, and the LED module can be flexibly combination for better lighting effects. 5,Easy to Install: Comes with a compact size and a light weight as well, the convenient installation can be quickly completed in minutes. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.