Overview: You can manage your home's temperature from a single screen, allowing you to save money on your monthly electricity bill and maintain the desired temperature in the summer or winter. Additionally, you can add up to eight SONOFF devices and turn them on and off from the screen. Technical Details: Kind of Product: Wi-Fi Smart Wall Switch; Maximum Power Input: 110~240V AC/ 4A Wall Switch Standard: US; Wall Switch Gang: 2 Gang Utilize: SIRI, Amazon, and Google Assistant