Introductions This product is mainly used in photography. It is a 3 in 1 studio E27 lamp socket splitter adapter for studio daylight bulbs. If you want to upgrade your single socket lights, convert a single bulb light to 3 bulbs light, this is the best choice. Features 1.3 bulbs installed in one single socket 2.ideal fro using in photography 3.Three In One E27 to E27 Specifications 1.Type : Bulb Base Adapter 2.Style : 3 in 1 3.Rated Voltage : 85V-230V 4.Rated Current : 6A 5.Shell Material:PBT 6.Base type: Standard E27 base Package included 1 x Bulb Base Adapter