Smart Wi-Fi Dimmer Switch Complete your home automation with this Smart Wi-Fi Dimmer Switch. Control your lights with a mobile device and the Topgreener app without the added cost of hubs or subscriptions. Schedule your lights, run a timer, create scenes, or check the On/Off status to monitor and save energy. Activate and use voice commands on Alexa or Google Assistant (sold separately) for hands-free control. This smart dimmer provides an easy way to control your home lighting from anywhere. Connect to a Wi-Fi network to communicate with your smart device using the Topgreener app without the added cost of hubs or subscriptions. Use voice commands on Alexa or Google Assistant for hands free control. Tech Specs: - Neutral wire required 120VAC~60Hz Compatible with dimmable LED, halogen, and incandescent bulbs Requires a secured 2.4GHz Wi-Fi connection Works in single pole and 3-way iOS 8 or higher Android 4.1 or higher