Easy Installation - The small dimmer easily integrates into the custom control panel or installs in the locations you want with the faceplate (included in the package). On/Off Dimmer Control - It provides a smooth and linear dimming experience without flicker, from full brightness to the lowest dimming setting, finally a click sound to turn off. DC 12V PWM Dimmer - Uses the most energy-efficient high-side PWM dimming, flicker-free and saves battery consumption. Dimming up to 48 watts (4 amps) under 12V conditions. Perfect for lighting renovation projects - quickly add a dimmer to lights or upgrade existing on/off fixtures to dimmable downlights and reduce battery consumption. Widely used for lights in RV, caravan, motorhome, boat, car, marine, truck, van or any dimmable DC 12V LED light, string lights, awning lights, etc. (Not suitable for multi-colored string lights)