Hands-free Voice Control -Works with Google Home, Amazon Echo Alexa-App Name: Smart Life, Tuya App Control - Free App Name: Smart Life, Tuya - Timing Function, APP remote control- Programming your smart curtain switch on App 'smart life / Tuya', then your curtain, blind, roller shutter can be remote controlled by phone and you can set timing schedule for it, like open at 7:00am, close at 7:00pm, then your curtain blind can open or close automatically when time is up.- You can control your smart curtains by mobile phone anytime, anywhere as long as it's with network. Physical Touch Panel Control You also can use the touch panel control if you don't want to use the smart phone. Group Function and Device Sharing You can create group in the APP to manage all the blinds shutters in your house and share the device to all your family members. US 503 Standard Size Wiring Diagram Please be noted that our smart shutter switch can just work with 4 wires classic AC motors. Please check it before you buy. Description Input voltage: 100-250 VAC, 50 / 60HzWiring: Neutral Wire, Live Wire, L1, L2, Max Load: below 600 W App Name: Smart Life or Tuya AppWireless Protocol: Wi-Fi 2.4 GHz 802.11 b / g / n (Not support 5Ghz Wi-Fi)Standby Consumption: below 0.5WDimensions: 120mm*72mm*39mmButton Type: Touch Panel ButtonPlastic Material: Fireproof ABSProduced by ISO9001 Factory: YesPatent Design: Yes We have all the accessories you need in the box, you don't need to pay extra cost. What's in the box? 1 x WiFi Curtain Switch(depends on your choice)1 x English User Guide2 x Screw Kits1 x Terminal as a gift for Wiring1 x Blue Wire for better Wiring