Voice Control, Allows you to turn the light on and off with voice commands.Free to replace light bulbs, universal for LED , energy-saving , and incandescent Easy to install, easy to screw on and use, instantly becoming a smart lamp holderLamp holder connected to WiFi, remote control by phone anytime, anywhere, unaffected by distance, one click remote controlSet the time for the smart lamp holder to automatically turn on or offRemote control Power Suplly:2 x AAA batteries(Not included batteries)Colour:WhiteMaterial:MetalPackage Contents:4 x Light Socket1 x remote controlOnly the above package content, other products are not included.Note: Light reflection 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.