Feature: 1. Applications: The annular light board has a wide range of application scenarios. It can be used for lighting or local fill light. It can also be used for soft box fill light. 2. High Brightness LED: Made of premium LED, the circle LED light wick is durable, reliable, practical, has high brightness and long service life. 3. 10 Gears of Brightness: The wire switch control LED lamp plate has 10 gears of brightness that can be adjust, its 3 color temperature range is from 3200k to 5600k. 4. USB Power Port: The round round light board is equipped with USB power port, which supports power supply in various way, can be charged by power bank, power adapter, computer interface. 5. Ideal Replacement: The diameter of the circle LED light wick is about 29cm, as long as it is the right size, it will perfectly match the light fixtures. Specification: Item Type: Circle LED Light Wick Material: LED Gross Weight: 212g / 7.5oz Size: 29cm / 11.4in Color Temperature: 3200-5600K . Package List: 1 x Circle LED Light Wick