Product Details ①. APP Remote Control: Download Smart Life or Tuya Smart APP on your phone and tablet to control the dimmer module anywhere and anytime. ②. Hand Free Voice Control: Compatible with smart home systems for simple voice control of the module. ③. Family Share Function: Share the switch with family members with limited rights to create a smart home together. ④. Linkage Function: Link with other switch modules, sensors and appliances to create different scenes such as sleeping mode, working mode, dinner mode and back home mode. ⑤. Timer, Schedule and Count Down Function: Create schedules, set timers and use count down function to smartly DIY your home. ⑥. Group-Control Function: Set multi dimmer switches in different rooms into a group to realize group control. ⑦. Easy to Install: Mini size dimmer switch module can be easily installed in switch box or lamp box. Specification ①. Product type: 1CH Wi-Fi Dimmer Module ②. Rated Voltage: 100-240V 50/60Hz ③. Operation frequency: 2.412GHz-2.484GHz ④. Protocol: WIFI IEEE 802.11b/g ⑤. Size: 42x42x21mm (1.65x1.65x0.83inch) ⑥. Colour: As Shown ⑦. Material: Plastic Package Contents ①. 1 x mini Dimmer Switch Warm Tips ①. Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. ②. The measurement allowed error is 1-3cm.