Smart LED bulbs are even smarter ones in home automation, and they are pretty easy to use. Simply screw the smart bulb into the lamp, pair it with your smartphone, and you will no more get up from your bed to hit the light switch. SONOFF smart LED bulb also supports of automation trigger that it will be turned on or off automatically whenever you push the door, just connect SONOFF DW2-Wi-Fi door sensor to go.Available in dual-color and multi-colorRemotely turn on and off on APPEasy to adjust the color temperature on APPDim and brighten the light brightness for various occasionsUnique smart LED technology ensures the bulb save your electricity bills by 90%Group control makes it easy to control the lighting of a whole areaCan be scheduled to automatically turn on and offMultiple scene modes optional, quick to access the lighting mode that you needSupport voice to turn on/off, adjust the brightness and color temperatureScene linkage allows you to turn on/off the bulb via opening or closing doorUniversal E27 base fits for most standard light fittings Specification of SONOFF Wi-Fi Smart LED Bulb:Model: B05-B-A60(RGB);Input: 220-240V AC 50Hz;Wi-Fi: IEEE 802.11 b/g/n 2.4GHz;Luminous Flux: 806LM;CCT: 2700K-6500K Power Rating: 9W;Lifespan: About 10000h;Base Type: E27;