Item: 2.4G Touch Screen LED RGB Controller Led type: High Power LED Input voltage: 12-24V DC control Way: RGB 3 Channels MAX load current: 6A each color connection mode: common anode Controller battery: 2PCS* AAA battery(not included) Battery is not included because of the security reason and custom problem during port; Battery model is AAA,Please buy it yourself in your local market Control distance: 30m Programs:20 kinds Remote Size: 110x52x20mm Controller Size:85x45x23mm Colour:White Material:ABS Package Contents: 1 x LED RGB/RGBW Controller 1 x LED remote controller 1 x English manual Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3cm.