Features:

• WIRE-FREE 3-WAY SWITCHING: Pairs wirelessly with Decora Smart Wi-Fi 2nd Gen Switches to provide additional On/Off control locations.(Decora Smart Wi-Fi 2nd Gen device required and sold separately)EASY TO INSTALL WITH LONG-RANGE: Mounts on the wall surface or at the wall box within a 50-foot range of the primary device. Includes easy to replace batteries with 5 year lifeWIRE-FREE LIGHT SWITCH: Add on/off control where you need it such as at the base of a staircase or end of a hallway CONTROL SMART PLUGS FROM THE WALL: Add on/off control of connected smart plugs and fans, lamps, small appliances and electronics - no wiring required COMPATIBILITY: On/Off of D215S, DN15S (with MLWSB), D2SCS, D215R, D215PAlso provides On/Off control of D26HD, DN6HD (with MLWSB), D2MSD, D24SF, D23LP