1. Seamless Integration: Easily integrate the smart WIFI switch into your home automation system. Remotely control your devices with this 433MHz relay module, which is compatible with for Alexa and for Google Home for voice control 2. Wireless Convenience: Say goodbye to the shackles of cables with our wireless wall switch. Enjoy the ease of installation and operation, and enhance the smart features of your home without losing the sense of style 3. Support Timing/Countdown/Schedule 4. Group control: Create a group to synchronize and control such devices in the group. 5. Durable: Our smart switches focus on durability to ensure long-lasting use. They provide you with a reliable way to control your home lighting and appliance automation, improving convenience and energy efficiency Working voltage: AC85-240V 60HZ/50HZ WIFI: IEEE 802.11 b/g/n RF:433Mhz Maximum current: 10A Color: White / Black Material: plastic<br><br>Package Contents: 1 * Smart Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.