The C by GE Smart Switch-Dimmer adds smart bulb functionality to traditional bulbs and keeps smart bulbs smart. The smart Wi-Fi switch works as dimmer switch while enhancing the traditional bulb functionality to include out-of-home control, scheduling and scene setting. When C by GE Smart Bulbs are installed, the smart switch allows app or voice control even when power is turned off at the switch. A switch for everybody in the house. Control your lights by touch along with enhanced app functionality and voice control when paired with a voice assistant. Control all your lights with wireless whole room lighting control. Install C by GE Smart Bulbs in other fixtures, set them up in the C by GE app and wirelessly control all your lights from one Smart Switch. Wirelessly connect multiple switches with a travel wire required and connect switches on different circuits, like controlling a kitchen light from the hallway. Find the switch easily in the dark. Illuminated light ring helps easily locate the switch. Simple DIY Installation. Takes about 30 minutes, a screwdriver, pliers, and an optional voltage tester to install the switch.