E27 threaded interface, compatible with standard E27 lamps Umbrella hole design allows installation of soft umbrellas or reflective umbrella-type softboxes; portable setup Adjustable lamp head rotates 360 degrees for flexible positioning Open light design with E27 lamp holder and switch button for easy operation Universal base interface fits 99% of photographic light stands and tripods available on the market Interface inner diameter: 45mm Interface outer diameter: approximately 20mm Application: suitable for all standard E27 threaded lamps Plug type: US plug, compatible with countries including Canada, India, Mexico, Thailand, Taiwan, and the Philippines Voltage: AC 220V Color: black Material: nylon Size: 9.5 x 6.5cm Package includes: 1 x lamp holder Note: Light reflection and display differences may cause slight variation in color between image and actual item. Measurement error allowed within +/- 1-3cm.