RV LIGHTING Eco-LED Wireless Wall Switch & LED Controller with Quick Connectors, for simple 12V DC installations Procures 7-steps dimming to 12V DC LED lighting systems, along with auto memorization, as well as night light option Black bezel wireless wall switch & 5-amperes RF mini-controler with quick connectors (jack plugs) for simple DC installation. Battery CR2032 3V & instruction included Multiple pairing possible: One remote can be paired with up to 3 different controllers, and one controller can be paired with up to 3 remotes! Working distance of 32 ft in open area, with a LED controller RF frequency of 433 MHz Use it with compatible dimmable LED light bulbs using PWM technology, for best results