Check the listing for details. Samtian 14" Outer Adjustable 2700-5500K Bi-Color Temperature Ring Light Tested. Color: Adjustable temperature and intensity, Condition: Used. Listed at 29.99 USD. Adjustable 2700-5500K Bi-Color Temperature Ring Light, SAMTIAN 14 Inches Outer YouTube Light Dimmable SMD LED. Pre-owned, excellent condition. Tested and all functions work. Phone mount is missing screw to hold it to light ring. Built-in Bi-color LEDs from 2700K to 5500K and dimmable brightness ranges from 1%-100% and excellent CRI>90. Outer diameter of light ring is 14", inner diameter is approximately 9". Included in bag is Samtian ring light with attachment for tripod or other mounting point. power supply and cord to power light. phone adapter to put phone in center of ring (NOTE, the screw that holds the adapter to the ring is missing.), remote bluetooth dongle that trigggers you phone. (NOTE, battery in dongle may need replaceing., tripod adapter (Adapter did not come with ring light), nylon carring bag marked Samtian. Light was tested and works perfectly. Light itself weights approximately 3 pounds.