brand new and high quality s: This product is mainly used in photography. It is a 3 in 1 studio E27 lamp socket splitter adapter for studio daylight bulbs. It allows 3 bulbs installed in one single socket at the same for time. Each socket on the adapter can support up to 250W. So it support up to 750/1000W in total. This product idea for more lights for photo or video, if you want to upgrade your single socket lights, convert a single bulb light to 3 bulbs light, this is the best choice. It is E27 base, same fit as regular household bulb socket. Specifications: Base type: standard E27 base Support power: 250Wx4 (1000W in total) Size: 3 in 1: 10.5x11.5cm(R x H) for Shell material: PBT Nominal voltage:100V-240V 50-60Hz Suitable for:Home and Studio daylight bulbs in photographic use. Color: White Quantity: 1 Pc Note: 1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you