On the other hand, smart light bulbs usually come in limited socket variations, with E26 being the most common. You can use smart light switches with any lighting and sockets.Smart switches eliminate this problem, which is particularly helpful if you have young people who will be flipping off your switches, or house guests that might not be accustomed to using voice/apps to turn lights on/off in your home. This On/Off Smart Switch wirelessly connects with other Cync or C by GE Smart Switches so you can control the same light fixture from multiple switches. A smart bulb can’t be controlled if a traditional wall switch is off. Pair the Smart Switch with Cync or C by GE Smart Bulbs in other fixtures like table lamps and control your all your lights in the room from one wall switch.One smart light switch can control many lights, which could actually end up saving you money over replacing every light bulb in your home with smart light bulbs.Smart light switches replace a conventional wall switch and can be manually turned on or off, as well as controlled via an app or smart speaker.Remember, if you want your switch to control other Cync or C by GE devices (like plugs, lights and. Select the device type Wired Switches and follow the instructions on the app screens. Select Add Devices at the bottom of your home screen. Here are a few real advantages to buying smart light switches: Follow these steps to setup your 3-Wire or 4-Wire Smart Switch in the C by GE/CYNC app: Open the Cync app.