Usage Tips:Infrared remote control with 24 buttons and RGB Controller DC 12 Volt 3x 2A common anode + Dimensions: . (L x W x H) 62 mm x 35 mm x 23mm 16 solid colors / Dimming / 4 program sequences ideal for RGB LED strips Color: White Material: Plastic This controller controls the colors for multicolored RGB LED strips. LED strips must also be driven by a common anode +. All our RGB LED strips have common anode. with RGB LED Strips are 4 ports, mostly for + acc. Anode / R for red channel / G for green channel, and B for blue channel. If the full voltage of 12 volts on all channels, then each individual color lights with and you can see white color. Package Contents: 1 x RGB Controller Note:Light and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.