RF controller produced by Shenzhen King-Star Technology Co., Ltd., the operating voltage is DC9/12/24V, the external dimensions are 95× 89× 26 mm, and the output is three CMOS open drain outputs. The connection mode is common anode and the rated load current is 4A per way. It adopts RF wireless remote control, the functions of each key on the remote control are as follows: key A: color selection function key, which can select different color changes, a total of 12 changes. Key B: each time you press, the change speed level increases by 1, a total of 125 levels. The key is pressed without moving, and the change speed level increases rapidly. Key C: each time you press, the change speed level decreases by 1, a total of 125 levels. The key is pressed without moving, and the change speed level decreases rapidly. Key D: in any state, you can turn on or off the controller output.