Ideal for stairways & hallways. Press like a trakditional light switch or control from anywhere by app, voice, or on pre-set schedules.
Merkury Innovations 3-Way Kit Wi-Fi Light Switch Replaces 3-Way Light switch-for lights controlled by two light switches -Neutral wire required Control your lights from anywhere with your smartphone using the Geeni app (iOS, Android); Easily connects with Amazon Alexa or The Google Assistant voice assistants for convenient hands-free control Use Schedules to set your Smart Switch to automatically turn on and off while you're home or away No hub required; Wi-Fi built in. Compatible with all 2.4 GHz Wi-Fi networks. Not compatible with 5Ghz networks