Switchmate Slim is the first smart light switch that can be installed in one-second: no configuration, tools, wiring, or wi-fi. Switchmate Slim instantly attaches magnetically to your existing toggle or rocker light switches. It's installation free! Within seconds, you can control your lights with your voice via Switchmate Slim's built-in voice control- no voice hub required. Set your lights to turn on as you walk into rooms. Set multiple timers to automatically turn lights on/off even when you’re not home. With the "Welcome Home" feature, lights turn on automatically as you arrive home. Just Snap, Tap, and Start enjoying smart lighting with Switchmate Slim.