24-key IR LED Controller, Input: AC85~265V, Output: DC12V, Control constant- ... color changing Product Description The High-voltage 24-key IR LED Controller Adopts the advanced PWM control technology to control ... :Control Method:Adopt IR remoter to control the led controller, which has 24 buttons, the function of each ... step in all.Typical Applications: High-voltage 24-key IR LED Controller (3 Channels)