Features: Bulb LED lamp and speaker with Wifi functions Specifications: Base: E27/B22Power: 9 WattsVoltage: AC85V-AC265V,50HZFlux: 400LMColor Temperature: 6250KBulb Material: Aluminum+PMMABulb Size: D58.5mm H109mmConnection Method: WifiFunction: Timer+Group+RGBWSoftware Name: Magic Home WifiSoftware: Android and IOSSoftware Language: English/Germany/Chinese Conection Methods: WifiIOS Apps and Android (system must >=4.3)Chips RGB:5050-1.5W*5, Warm White:2835*15Light Luminous Flux: Red: 45-75LM,Green: 100-150 LM Blue: 20-50LMWarm White:550-600LM WavelengthRed: 620-630nm Green: 520-525nm Blue: 450-460nmColor Temperature 3000K-3200KEmitting Angle 120° Power Factor: 0.6Working Voltage AC85V-AC240V 50/60HzPower RGB:<7W,Warm White:<6.5WWorking Temperature -25?-55?Control range; No barrier,40m ;Indoor, 20mBulb Material Milk white PMMAN.W: 119 g G.W:163gWaterproof IP 25Bulb Size D:58.5mm H:109mm It is very easy to set up: 1:No need wifi controller, this bulb has its' own wifi ID when light on the bulb,Just connect phone to this ID and run APP to control it2:you can set more wifi bulbs to a wifi router to control them together3:You can open"Remote control service", this function let you control this bulb from outside