1. Adopt wireless radio frequency capacitive touch control, effective control distance 20M. 2. It adopts LED backlight buttons, which is convenient for users to operate at night. 3. 3.5MM audio access, no external noise interference when using music mode, so that the rhythm of light change is better. 4. Adopt advanced PWM (Pulse Width Modulation) control technology, the changing effect 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: 70 dB 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 Operating Temperature: -20 Celsius-60 Celsius Remote Control Size: 115 x 55mm Color: 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 shooting and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.