The Wireless Smart Light Bulb adapter helps turn your existing lights into smart lights. With this adapter, you can turn lights on or off by asking or Google home to do so. You're also able to use the Ewelink APP to control and automate lights that have the adapter.DIY to Make Your Light Become Smart: No wire required, just screw the WiFi lamp holder with your light bulb, then it make your lamp become smart.Works with Most E27: Including: LED Bulb, Smart Bulb, CFL Bulb, Fluorescent Bulb, Corn Light Bulb etc., but NOT Incandescent Bulb, Halogen Bulb, or Tungsten Bulb / voltage AC 85V-250V , max load 2.0 amp, max 450W.Create your own scenes: Ewelink App enable you to create your own scenes, you can control multi lamps to be ON/OFF.Family Sharing: Share the control with your family members or friends for maximum convenience, controlling the connected devices together.Support multiple phones to control one light adapter or one phone to control multiple adapters at the same time.Bulb Socket Dimensions (Dia x H): 68 x 40 mm, it adds approximately 50mm to fixture height.Input: AC85V~250V 50/60HzOutput: AC 85~250v50/60HzMax.Current:450W/2ABase:E27Wireless:Wi-Fi 2.4ghz blgRemote control frequency:2.4GWorking temperature: -20Celsius~70CelsiusAPP:EwelinkSupport: APP control and 2.4G remote control control (2.4G remote control not included)Please note that this product is not a WiFi controlled product, it is a RM 2.4G controlled product Colour:WhiteMaterial:PCSize:62 x 62 x 92mmPackage Contents:1 x Lamp HolderOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.