LED Intelligent Dimmer 4A RF Wireless Control Constant Voltage PWM Signal Automatically adapt to LED light which works from DC12V-24V. Real 0~100% brightness adjust, 4096 scale levels. Comfort to human eye visual characteristic. Lamplight soft and stable, without flickers, welcome to compare. Delay off button, LED Indicator, users friendly. 25%,50%,75%.100% 4 brightness shortcuts. Flexible, easy to install.