Lingstar 3 in1 E27 Base Socket Splitter Light Lamp Bulb Adapter Holder 102% Brand new and high quality.Made with good performance. Inflaming retarding PBT material, 100% safe from electric flaming, worry free from potential danger.No Fire Hazard It allows 3 bulbs installed in one single socket at the same time. APPLICATION: Compatible With Standard Light Bulb E26/E27, Edison Base. Works with incandescent and CFL (Energy Efficient) bulbs. 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.