The Jasco ZB4004DV enables wireless control of on/off functions of hard-wired lighting. Toggle style designed to blend in with older homes that use standard toggle type switches. The on/off switch replaces your current light switch, uses your existing wiring and provides Zigbee wireless and in-wall control of overhead lighting. The switch includes a blue LED indicator to easily locate the switch in a dark room. Allows installation in light commercial environments that typically require 277 VAC power requirements.