WattStopper® EOSW-100 Series RF wall switches work with EOPC-100 wireless occupancy sensors and remote switches, to turn lights on and off based on occupancy. Models are to control one or two switched legs in applications with or without neutral wires at the switch box. Single and dual relay 120/277 VAC RF-enables switches. Replace standard wall switches for energy code compliance without the need for rewiring. Receiver for wireless communication with RF occupancy sensors and remote switches. Default settings for most energy efficient operating mode out of the box. Typical applications: small conference rooms, private offices, executives office and hallways. Load 1: 120 VAC, 0 to 800 W or 1/6 HP. Load 2: 277 VAC, 0 to 1200 W.