Marswell Happyskymall DC12V 11keys RF Wireless Remote Controller Dimmer for Single Color LED Strip Light SMD3528/SMD5050/SMD5630 Technical Specifications of 11keys Dimmer : 1: Input/Working voltage : 12V DC. 2: Output : Up to 8 Amps (96 Watts). 3: Control Mode: RF Wireless Remote. Smooth Dimmer Effect. Speed and brightness adjustable. Comes with 11 key Remote Control, very easy to operate. 1 to 1 remote paired. Auto save function. Only suitable for single color LED strip light. How to use: one end of this dimmer connects to DC12A Power supply, another end of this dimmer connects to LEDstrip light, shown in the picture. Package include: 1 x 11key controller Dimmer(doens't include the led strip light in the picture)