White, Switchmate Rocker Switch, Smart Phone Lighting Control, 1 Second Installation, Bluetooth Up To 150′, Attaches Magnetically On Top Of Any Existing Rocker Light Switches, Welcome Home Feature Automatically Turns On Lights As You Arrive Home Or Enter Rooms, Programmable Timers For Auto OnOff, Free App Required, No Wiring Or Tools Needed, No WiFi Required, Uses 2 AA Batteries, Included, Energy Saving