The TGWF500D is a technologically advanced smart Wi-Fi dimmer switch with functions such as setting schedules, timers and triggering a chain of actions in a customizable scene (or being part of a chain of actions). The dimmer switch boasts technology, power, and safety using advanced circuitry, quality components, and fire-resistant material. The TOPGREENER app is free and is used to control and monitor the use of the Wi-Fi switch. It allows you remote on/off capabilities and scheduling. Create, name, and save customizable scenes. This is all provided in an easy-to-use and intuitive user interface that uses information from your personalized location. 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. Neutral wire required 120VAC~60Hz Dimmable LED: 150W, incandescent: 600W; not for use with CFL bulbs Requires a secured 2.4GHz Wi-Fi connection Single Pole iOS 8 or higher, Android 4.1 or higher Works with TOPGREENER, Smart Life, Tuya apps