Features: 1Easy to Operate: This LED dimmer switch is knob operated control. Just rotate the knob to adjust the brightness or simply turn on/off the lights. 2WIFI Function: Support WIFI function realize remote dimming control no need to go to the switch to adjust which is very convenient. 3Enjoy Time: When dining watching a movie or reading a book with your family you can create a scene with the desired brightness. 4LED Indicator: LED indicator with brightness level the bottom LED flashes slowly supports quick configuration mode AP configuration mode. 5High Quality Materials: Using high quality PC materials fire retardant wear resistant safe to use and durable. Specification: Item Type: Smart Dimmer SwitchMaterial: PCColor: WhiteProduct Size: Approx. 86x86mm / 3.39x3.39inWeight: Approx. 183g / 6.5ozInput Power: 100~240V AC 50-60HzDimming Control: SCRInductive Load (LED/CFL): 220W MaximumResistance Load (Incandescent Lamp): 300W MaximumCommunication: Wifi 802.11 b/g/n 2.4GHzButton Life: 500000 timesWorking Temperature: -10~45Working Humidity: