1. Adopt wireless radio frequency capacitive contact control, effective control distance 20M. 2. It adopts LED backlight buttons, which is convenient for users to use at night. 3. 3.5MM audio access, no external noise interference when using the music mode, so that the light change rhythm is better. 4. Adopt advanced PWM (Pulse Width Modulation) control technology, the effect of change is delicate. 5. 22 classic modes, you can choose as you like; the music change mode makes the whole atmosphere more rhythmic. Product name: LED controller Input power: DC12V-24V Output: data signal Sound control: 70dB Remote control battery: 7# battery x 2 (without battery) Remote control standby power consumption: 0.08mW Application: interior decoration: clubs, bars, corridors, rooms, hotels, clubs, museums, etc.; outdoor decoration: squares, commercial buildings, parks, light spots, night scenes, etc. Product working temperature: -20Celsius-60Celsius Remote control size: 115 x 55mm colour:White Material:ABS size:Controller: 108 x 79mm Package Contents: 1 x controller 1 x Remote control (without batteries) 1 x Audio cable Only the above package content, other products are not included. 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 +/- 1-3cm.