Description:NO Neutral line requiredZigbee hub is requiredGateway hub is required.APP remote controlSmart life or TUYA APP can be used to remotely control the switch on and off. You can see the open or closed state of the switches from the APP when you are away.Link with other smart devicesIt can be connected to other smart devices to realize a convenient smart life together. A home mode can be created and linked with other smart devices to automatically open the light as soon as you go home.Support voice speaker control The switch is compatible with Alexa and Google Home Assistant, allowing you to use the voice control smart switch to turn on/off.TimingThe smart switch is automatically turned on and off at a given time through the timer function. Choose the time you want to wake up, automatically open the light, so you can easily enter the day; choose the time you want to close the light.ShareThe control switch can be shared with family members.Sensitive touch controlTempered glass touch screen of this smart switch is sensitive to the touch of control, premium durable glass material provides up to 20 million touch figures through our rigorous testing. It is water-proof, Damp-Proof, Resists Scratches.Easy setting upScan the User Manual QR code Download the Smart life/TUYA APP, or download from the App Store or Google Play Store and connect your mobile device to your 2.4 GHz Wi-Fi network to find your light switch, then you can turn the lights or control other electrical devices with ease.