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 with no changes to your home decor; turns compatible products into smart in seconds; allows operation of traditional switch with no interference; suitable for rocker and reset switch both. 2.Allows for hands-free voice and wireless remote control; compatible with and 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. 3.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 Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: White Material: ABS Package Contents: 2 x Smart Wi-Fi 4 Gang module Only the above package content, other products are not included. Note: Light reflection 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.