Tuya Wifi Switch Module----------- Two Version: With Neutral Wire / No Neutral Wire "With Neutral Wire" : only work with neutral wire."No Neutral Wire" : can work with neutral wire, also can work without neutral wire, one capacitor come with the switch. MINI Body 46*46*18mm mini body, working with most of amounting boxes, switches and wall sockets, not need to change original switches. No Hub Required Connect with wifi router directly, not need zigbee hub/gateway/bridge. App Remote Control Work with Tuya (Smart Life) App, remote control lightings or appliances via app from anywhere at anytime. Support 2-way Control Work with traditional 2 way control switch. Control 1 light from 2 positions manually with your old switches. Power on status setting Set the switch status to "turn on", "turn off" or "remember last status" when power on again after power failure. Voice Control Compatible with Alexa and Google Home Aistant, control the appliances with simple voice command conviently. Timing Function Create schedules to automatically turn the home appliances or lightings on/off. Save energy and make your life organized. Group Control Set all of your smart switches in a group by Smart Life app. One-click to turn/off all of your appliances or lightings. Smart Scene Creating your own scene to trigger ON/OFF home appliances by departure mode, home mode, temperature, humidity, or other conditions. Specification Input Voltage: 100-240V 50/60HzRated Current: 10ARated Power: 400WWirele Type: Wifi 2.4G+BLECompatiable: Alexa. Google Home