Norklmes Touch US Wifi Wall Touch Switch 1 2 3 4 Gang 1 2 Way Wireless Remote Light Relay App Control Work with Alexa Google Home NOTE: The switch must be powered up through Lin (Live input) and Nin (neutral input). While Lout is Live output. Norklmes 2 way switch requires no additional lines, and the 2 way function is implemented directly through WiFi. If you have any questions, please contact customer service. The Norklmes Touch smart wall switch is a 1 2 3 4 gang touch control luxury crystal glass panel wall switch. The wireless wall switch can be added to iOS/Android App smart life and tuya via WiFi, allowing users to remotely turn on/off connected LED and lights from anywhere at any time. With this touch light switch, users can check real-time light status on their smartphones. The remote wall switch's LED backlight lets users easily find and turn on the lights at night. The WiFi wall switch can be used to control lights or home appliances. Upgrade your home with this modern, fashionable alternative to traditional light switches. Touch ON/OFF Remote ON/OFF – Turn lights on/off from anywhere App Support – Free iOS and Android mobile App smart life and tuya smart Sync Status – Real-time device status provided to App Timing – Set scheduled/countdown timers to turn on/off at specified time Share Control – Control your smart home together with your family Scene – Turn on/off a gang of devices with one tap Voice Control – Works perfectly with Amazon Alexa, Google Home Voice control -is also available directly from the phone, eliminating the need for amazon and Google devices Remote ON/OFF Single/repeat/countdown timing Share control Group/scene management Works with Amazon Alexa Works with Google Home Works with IFTTT