Kasa Smart WiFi Light Switch from TP-Link - Customize Your Lighting - Control your room's brightness and set the ambiance for any mood or activity using the Kasa Smart app. Easy Install - No need to understand complex wiring, just follow the step-by-step wiring process in the Kasa Smart app for a guided install of your dimmer light switch. Grouping - Use Grouping to combine your light switch with other Kasa Smart devices for seamless control with one single tap on your smartphone. Voice Control - Use simple voice commands and dim your lights using the Kasa Smart dimmer light switch with any Alexa or Google Assistant. Gentle Off - Fade bedroom lights as your child falls asleep or give yourself time to exit a room without bumping into things. No Hub Required - Kasa Smart's dimmer light switch works with a secured 2.4GHz wireless network without the need for a separate hub. Control From Anywhere - Check in on your lights, schedule them to dim when you want even turn them on before you get home conveniently from your smartphone.