The UniFi Dimmer is a smart in-wall dimmer switch for use with the UniFi LED Lighting System. Powered by PoE, the UDIM-AT is designed to fit in an electrical switch box and networked by Ethernet. Use the intuitive UniFi LED App and EoT Controller to configure the UDIM-AT to control a defined group of UniFi LED Lights. Features - Powered by 802.3af PoE - Configured and Managed by UniFi LED App and UniFi LED Controller - For Use with the UniFi LED Lighting System - Configure and Control Multiple UniFi LED Lights - Physical On/Off and Dimming Features - Fits 1-Gang In-Wall Electrical Box