This Studio Light kit is lightweight but very sturdy, designed for photographers on the move. It is designed to help provide a perfect lighting environment. Easy to adjust the joints and pivot points, and the umbrella can be adjusted quickly and simply to meet the perfect requirements with simple steps. This must-have kit also includes a CFL adapter, which provides greater light output by allowing the connection of 4 spiral fluorescent bulbs. Depending on the bulb used, the light output will be equal to a maximum of 420 watts for photo flood lighting, but with much less heat and a longer bulb life. Designed to handle fluorescent bulbs with a total power of up to 420 watts. Note: The optical power of each socket should be less than 105W, that is, the total power should not exceed 420W (excluding bulbs) This lighting umbrella kit is the perfect solution for making beautiful photos or videos for design and photography students, online retailers or other commercial enterprises that need product cataloging. Adapter features: -Allow 4 bulbs to be installed, you can choose to turn on all 4 or only 2-Support 105W x 4 power (420W total) -This product is very suitable for additional lighting for photography or shooting-Designed for CFL (Compact Fluorescent Lamp) This kit is essential for any photography course and is designed to provide enhanced performance while providing convenience to users. Specification: Studio support height: adjustable between 80 cm and 250 cmUmbrella size: 70cm (H) x 50cm (W) x 40cm (D) Weight of studio stand and umbrella: 1. 31kgAdapter size: 14cm diameter x 9cm (D) Adapter weight: 750g