ITEM NAME:Sonoff WiFi Wireless Smart Switch Receiver Remote Control Smart Home APP Descriptio n Description: Support Voltage Range Is 90-265V. For Example, If It Is A 220V Input, The Control Output Is Also A 220V Output. If It Is A 110V Input, The Control Output Is Also 110V. Support Tmall Elf, Baidu Xiaodu, Xiaomi Xiaoai Classmates Intelligent Voice Intelligent Control, Can Modify Household Appliances, Lighting And Other Products. The Maximum Support Load Is 2200W. Specifications: Material: Shell Plastic Color: White Size: 88*38*22 MM Package Included: 1*WiFi Wireless Smart Switch Receiver Note: 1.Due To The Manual Measurement And Different Measurement Methods, Please Allow 2-3mm Deviation. 2.Please Be Reminded That Due To Lighting Effects And Monitor'S Brightness/Contrast Settings Etc, The Color Tone Of The Website'S Photo And The Actual Item Could Be Slightly Different. We offer you what you need! WiFi Wireless Smart Switch Home Receiver Remote Control 90-265V WLAN White RF.1 WiFi Wireless Smart Switch Receiver. The Maximum Support Load Is 2200W. We'd like to settle any problem in a friendly manner. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.