RF 24 key Led RGBW Controller adopts the most advanced PWM (Pulse Width Modulation) digital technology with 4 channels constant voltage led RGBW controller. This model designed for RGBW/Y led products. Adopts RF 24 key remote, RGB and W each have independently control area without interference. Especially, it is designed with synchronization function. RF 24 key Led RGBW Controller adopts the most advanced PWM (Pulse Width Modulation) digital technology with 4 channels constant voltage led RGBW controller. This model designed for RGBW/Y led products. Adopts RF 24 key remote, RGB and W each have independently control area without interference. Especially, it is designed with synchronization function. http://www.hoionlighting.com/ http://www.hoionlighting.com/