The Caséta line of switches from Lutron offers an impressive list of features: geofencing, which means your lights will automatically turn on or off when you leave or arrive at home the ability to schedule your lights to turn on or off at particular times or days dimming capabilities and compatibility with a long list of smart home platforms. At around $70, it's more expensive than most other smart light switches, but the C-Start Smart Switch gives you a lot for the price. Like other Alexa-enabled switches (it also works with Google Assistant), the C-Start dimmer responds to voice commands, but the C by GE Android app needs some work setting up an automation for a room is confusing, and it can even be difficult to tell when you've scheduled it to go on and off. If you turn it off with the switch, after a few minutes C-Start will engage the motion sensor again, or you can disable the sensor via the app in case you don't want it switched on in the middle of the night. The switch includes an ambient light sensor (so it can be set not to come on in daylight) and a motion sensor to automatically trigger the light.

Installation, as with most other smart switches, requires a neutral wire, but it's fairly straightforward. The Wi-Fi-connected switch works with all kinds of bulbs, has apps for iOS and Android, and lets you control lights with a touch, voice, motion or remotely via a smartphone. The GE C-Start Smart Switch isn't the sexiest or sleekest, but it's the best smart light switch because it gets the job done and is packed with features. Not only does it control your lights, but it can be integrated with Alexa and be used to control other smart home devices, look in at security cameras, play music through smart speakers, and more. If you want to go real high-tech and high-end, the Brilliant control panel is the way to go. However, it doesn’t feature a motion or ambient light sensor and it lacks two-factor authentication. It looks like a traditional paddle switch, is easy to install and doesn’t require a hub. If you’re looking for something more subtle, then Leviton's Decora smart dimmer might be to your taste. However, the look of GE's smart switch isn't for everyone. The dimmer switch even works with a wide range of bulb types. It also comes with an ambient light sensor, which means it will self-adjust the brightness if there’s daylight or sunlight in the room, ultimately saving you money.

It’s compatible with most smart home hubs, including Alexa and Google Home and features built-in motion sensors, so the lights will automatically switch on when you come home. After putting countless models to the test, we recommend the GE C-Start Smart Switch Motion Sensing Dimmer as the best smart light switch overall.

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