UDIM-AC is a smart in-wall dimmer switch for use with UniFi LED. UDIM-AC is powered by 100-277V universal AC and features Wi-Fi connectivity. Use the intuitive UniFi LED app and UniFi LED controller to configure and control UDIM-AC. Features: Compatible with UniFi LED Single-tap On/Off Touch slide dimming from 10-100% Powered by 100-277V Universal AC Network connectivity via Wi-Fi (802.11 b/g/n) Designed for US-Standard One Gang switch box Configured and managed by UniFi LED app and UniFi LED controller