Mangocore 3 In 1 E27 to E27 LED Lamp Bulbs Socket Adapter 3 Way Splitter for Photo Studio If you want to upgrade your single socket lights, convert a single bulb light to 3 bulbs light, this is the best choice. Rated Voltage : 85 - 265V product is mainly used in photography. It is a 3 in 1 studio E27 lamp socket splitter adapter for studio daylight bulbs. Three In One E27 to E27