[Remote Control APP] Download the smart life / Tuya smart APP on your phone and tablet to control the dimming module anywhere / anytime.[Hands-free voice control] -Compatible with for amazon alexa echo, google home ect, a simple command to voice control the module.[Group Control Function] -Multi-dimmer switch in different rooms can be set in a group, realize the group control function.[Link function] -It can connect with other switch modules, sensors and household appliances in your home, make it possible to create different scenes, such as sleep mode, work mode, dinner mode, home mode, etc.[Timer, Schedule and Countdown function] -You can create a schedule according to your personal requirements, as well as timer, countdown function, smart and DIY your daily life to the maximum scope.[Family sharing function] -You can share the switch with your family with limited right, create a smart home together with your family member.[Easy to install] -Mini size dimmer switch module can be installed in switch box or lamp box easily (Notice: Please turn off the electricity during installation)Voltage: AC100-240V 50 / 60HzMax! Load: LED (AC230V 150W)Operating frequency: 2.412GHz-2.484GHz (AC120V 80W)Operation temperature: -10 Celsius + 40 CelsiusWIFI IEEE 802.11b / g / n protocolOperation range: less than 100mDimension: (WxDxH) 39.2x39.2x18mmIP rating: IP20Compatibility: All CompatibleType: 1Gang / 2Gang Wi-Fi dimming modulecolour:WhiteMaterial:plasticPackage Contents:1 x Dimmer Light SwitchOnly the above package content, other products are not included.Note: Light shooting 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.