1. No neutral wire required, no capacitor required, single live wire connection. 2. Fire-retardant material and no electric arc new technology to secure and reliable working. Overloading and overheating supported for your safety and wonderful user experience.(Note:A capacitance is a must to be connected to both ends of the bulbs for normal work of the multi-control associaltion for this single live wire version.) 3. A Tuya ZigBee gateway hub is a must : A ZigBee hub is a must that connects to the switch many other ZigBee smart products and realizes the whole linkage of your smart home devices.Simply add your gateway to the App,then add the switch to your gateway in the App for normal use.(Note:The wireless gateway is not included in the package) 4. Compatible with Alexa and Google Home for hands-free voice control; can also be remotely controlled via Smart Life/Tuya app anytime, anywhere; on the basis of one Tuya ZigBee Wireless Gateway connected. 5. Take full control of connected appliances with , schedules and countdown (1/5/30 mins, 1 hour, etc.) with the app; share control with family and friends for added convenience. Product type:ZigBee Smart WIFI Push button Wall Panel Switch Input power:AC 200-240V 50/60HZ WIFI Frequency:2.4GHz-2.4835GHz Operation tepm:-10 - +40 Celsius Size:3.39 x 3.39 x 1.68inch(86 x 86 x 40mm) Weight:0.36 lb(150g) Max Load :600W/gang Current: 10A Model Number: DSZ102 Switch Type: APP control APP: Smart Life/Tuya Case Temperature: Tc:+80 Celsius(Max) IP Rating: IP20 Plug Type:EU Plug,it applies to Indonesia, Germany, France, , Italy and so on Type: 2Gang colour:White Material:plastic Package Contents: 1 x Light Switch Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.