100% brand new and high quality Introduction: A great helper for you to take photograph in studio. Features: 4 in 1 E27 socket to fix bulbs. E27 ceramic screw base. On/off switch for you to control the bulbs. The head acts as a speed ring for the dedicated softbox. 4 bulbs socket on the adapter can totally supports up to 800W. If you mounted four bulbs at same time, each bulb diameter must be less than 80mm Specification: Product Name:4 in 1 E27 Built-in Control Ceramic Bulb Holder Base Socket Adapter For Softbox Material: Plastic+Ceramic Weight: 643 grams Color: As shown in the picture above Base type: Standard E27 base Plug Standard:EU plug Package size: 15 10.5 18 cm / 5.9 4.1 7.1 inch Support power: 800W (200W 4 pcs bulb) Suitable for: Studio photographic daylight bulbs Pattern Type:Color Patchwork Occasions:Photography Quantity: 1 pc Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2.Because of different monitors and lamplight,the picture may not reflect the actual color of the item,really thank you for your kind understanding 3.Bulb holder adapter only,other accessories(if any)irrelevant demo in the picture are not included. Packaging includes : 1 Bulb Holder Adapter