ITEM NAME:Wireless WiFi Switch Light Remote Control Automation Module Timer Socket A#S Product Description Description: Wireless WiFi Switch Light Remote Control Automation Module DIY Timer Universal Smart Home Socket Controller Specification: Shell material: flame retardant ABS Input voltage: AC90-250V Working temperature: -20-70℃ Controllable route: 1 way Total load power: 2200W WIFI protocol: IEEE 802.11b/g/n Control mode: mobile phone APP (a mobile phone can control multiple device switches). Remote control distance: Infinity Scope of application: residential; villas; hotels; factories; companies; works, etc. Note: Please allow 1-3cm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 x WiFi Light Remote Control Switch.WIFI protocol: IEEE 802.11b/g/n. Working temperature: -20-70℃. Due to the different display and different light, the picture may not show the actual color of the item. If item is defective after 3 months, you can still send it back to us.