Description _x000D_ _x000D_These little units are remote controller and control box. It will work well when running on 12 volt power. There are 24keys in the controller to help control the LED light. The connector of the control box is 4-pin design which is more convenient and safer. _x000D_ _x000D_Feature _x000D_ _x000D_- Color: White _x000D_- Material: Plastic _x000D_- Controller Size: 84.6x51.6x7.1mm/3.3x2.0x0.3inch _x000D_- Control Box Size: 49.5x34.5x22mm/1.9x1.4x/0.9inch _x000D_- Working temperature: -20~60°C _x000D_- Input Voltage: DC 12V _x000D_- Output Voltage: DC 12V _x000D_- Output: Three CMOS drain-open output _x000D_- The are 24 keys in the controller. _x000D_- Easy to adjust color temperature and brightness. _x000D_- It comes with short-circuit protection function. _x000D_- Made of quality material, it is safe and practical. _x000D_- 4 pin connector is more convenient. _x000D_Packing list1 x 24 Keys Remote Controller(Battery Included)_x000D_1 x Control Box_x000D_1 x User Manual