1、Compatible with iOS and Android OS. Compatible with Amazon alexa, home, IFTTT, etc. 2、Timing, Voice control, Sharing, Overload conservation, Mobile control. 3、In the network state, users can use APP on smart phone to remotely control turn on / off home electronics at anytime and anywhere. 4、Take full control of your home or office lights according to the schedule timer that so that the lights and appliances turn on/off automatically. 5、Compatible with Amazon Alexa (Amazon Echo/dot/tap) or Assistant for voice control. 6、With remote access, you can manage devices from anywhere by your smart phone. Never forget to leave devices running. Features: Wide Capability Compatible with iOS and Android OS. Compatible with Amazon alexa, home, IFTTT, etc. Muti-Function Timing, Voice control, Sharing, Overload conservation, Mobile control. APP Remote Control In the network state, users can use APP on smart phone to remotely control turn on / off home electronics at anytime and anywhere. Timing Function Take full control of your home or office lights according to the schedule timer that so that the lights and appliances turn on/off automatically. Voice Control Compatible with Amazon Alexa (Amazon Echo/dot/tap) or Assistant for voice control. Sharing with Family With remote access, you can manage devices at anywhere. Never forget to leave devices running. You are not the only one who can enjoy the smart life. Share with your family and they also can control home appliances. Specifications: Type: 1 Gang / 2 Gang / 3 Gang Touched Wi-Fi Switch (Optional) Material: ABS+Tempered Color: Black, White Switch Type: Touched/App/voice control Rated Voltage: AC 90V-250V, 50/60Hz Rated Power: 2200W/ gang Max. Current: 10A / 250V Wireless: IEEE 802.11 b/g/n 2.4G Security: WPA-PSK/WPA2-PSK OS: for Android / for iOS APP Download: eWeLink Compatibility: Compatible with  home, Amazon Alexa, IFTTT Item Weight: 132g / 4.65oz Package Weight: 158g / 5.57oz Item Size: 8.6*8.6*3.2cm / 3.38*3.38*1.25in Package Size: 9.5*9*4cm / 3.74*3.54*1.57in Notes: NEUTRAL WIRE REQUIRED. This Wi-Fi smart switch must be powered up by both Live & Neutral wire. Packing Lists: 1* Smart Light Switch 2* Long Screw 1* User Manual (English/German) 1* Package Box s: 1* Smart Light Switch 2* Long Screw 1* User Manual (English/German) 1* Package Box