Wattstopper EOSW-101-B Single Relay Rf Wall Switch - Without Neutral Wire - 120-277v - Black FinishWattstopper EOSW 101 B EOSW 101 B Product Description Wattstopper EOSW 100 Series RF Wall Switches work with EOPC 100 wireless occupancy sensors, and optional EORS 100 and EOHR 100 remote switches, to turn lights on and off based on occupancy. Order your EOSW 101 B today or contact one of our certified lighting specialists to learn more. Replace standard wall switches for energy code compliance without the need for rewiring Receiver for wireless