NOTE 1.This switch Netural Line required. Before you buy, please confirm if your House have Netural Line for this Switch. Product parameter Specification: British regulations Shell material: PC flame retardant material Panel material: Tempered glass Installation hole distance: 60mm Rated voltage: 110-240V,50-60Hz Start method: Touch/Mobile APP certified product: CE FCC ROHS Electric life: 100000H Maximum load: ≤400W/group Maximum current: 10A Main Features: 0. Can only dimming, not color adjustment 1.WiFi direct connection,no need gateway 2.Remote control via 3G/4G/WiFi on mobile 3.Crystal tempered glass panel 4.LED backlight indicator at night 5.Real-time status displays on APP 6.Timer/Scene control are available 7.Share with your family to control together 8.Works with Amazon Echo and Google Home Notice 1.Can only adjust the brightness of the lamp, not the color of the lamp 2. Infinite dimming only supports LED lamps and tungsten lamps 3.The total power of the chandelier group cannot exceed 400W Infinite dimming Adjust the brightness of the light as you like Control From Anywhere No matter where you are, you can turn on/off the water heater, choose cold or hot water voice control Use voice control, release your hands Timing function You can set the time to turn on the light Family Sharing Control Fun main account has the exclusive permissions, one click to share the permissions with the whole family. let the family enjoy the fun of smart life! Tempered glass panel Tempered glass panel is not only scratch-resistant, but also brings you a better touch experience High sensitivity You can touch the switch with wet hands group control individual Control or group control Led Backlight Very easy to find the switch at night Led Backlight Very easy to find the switch at night APP CONTROL Support group control, stepless dimming and timing control Flame retardant material Flame retardant material How to wire N line L line Pairing signal 1.Long press this button for 10 seconds (Clear signal is also) 2.The indicator light starts to flash