HIGHLIGHT [ Applications ]: "Smartlife" for your reference. Or choose others commonly used.[ Safety Protection ]: Tempered gla touch panel, safe & stylish, water-proof & moisture-proof & fire-proof, avoid electric shock risk.[ Intelligent ]:Set intelligent scene patterns or add any modes you need, which fits most scenarios. Such as conference mode, outgoing mode, rest mode and etc.[ LED Night Light ]: It's red when you turn on home light and it's blue when you turn off. But soft light does not affect your sleep.[ Timer Function ]: Set time in advance and light can still be used normally without network but with the continuous electricity.[ Easy to be installed ]: Smooth to touch and convenient to clean. SPECIFICATION -- Product Size: 12x 7.6 x 3.5 cm-- System: support IOS8.0 / Android4.0 and above-- Wi-Fi Band: 2.4GHz-- Material: ABS flame retardant-- Panel Material: tempered gla-- Rated Power: 2000W-- Rated Current: 10A-- Input Voltage: AC110 ~ 240V, 50 / 60hz-- Standby Consumption: 0.45w/0.1mA Installation Precaution -- Install switch when disconnect the power-- Please make sure the switch box needs to be 35mm deep-- Live wire goes into L, neutral line goes into NPlease find a profeional electrician if you have no experience in wiring. Warm Reminder -- Need neutral line, live wire and light line.The Wi-Fi switch does not have dimmer function (except for dimmer switch) whether you connect a bulb with dimmer function or not. It can only control the opening and closing of lights.-- Don't lid on the gla panel when the switch is in electrical.The gla panel was lid on when it is in electrical. then the switch will not work. pls Restart the electric switch in your home. it will work