1.Smart Wi-Fi 4 Gang module comes with mini design for 4 switches to suit UK and EU wall switch boxes; compact size allows an easy fit with no changes to your home decor; turns compatible products into smart ones in seconds; allows independent operation of traditional switch with no interference; suitable for rocker and reset switch both. 2.4-gang switches supported as the special demand meet and update; can be used as a 1-way or 2-way circuit (2 switches control 1 light); simply connect to 1 of the 2 switches and convert the connected device into a smart one (for 2-way circuit);Multi-control association is featured as associating any Gang button to your WiFi smart switch in Smart Life App for another intelligent control. 3.Allows for hands-free voice and wireless remote control; compatible with Alexa Echo and Google Home; remotely control your four devices with your smart phone wherever you are, even when you're away from home;memory function with on/off/remember last status supported in Smart Life Tuya App. 4.Take full control of connected appliances with timers, schedules and countdown (1/5/30 mins, 1 hour, etc.) with the app; share control with family and friends for added convenience. 5.Control with your smart phone via Smart Life/Tuya app without a separate hub; a much easier pairing mode for adding the device with WiFi and Bluetooth connected; Specifications: Wireless protocol :Wi-Fi 2.4GHz Operation temp.: -10 Celsius - +40 Celsius Case temp. Tc: +80 Celsius (Max.) Operation range: ≤ 200 m IP rating IP20 Voltage: 90-250V AC 50/60Hz Max current :Total 10A Colour:White Material:ABS Size:52 x 47 x 22.5mm Package Contents: 2 x Smart Wi-Fi 4 Gang module