Dimmable Ring LightFeaturing 3 color lighting modes: Warm Light (3000K), Cool White (4500K), and Day Light (6000K), and each mode has 11 brightness levels, 33 options in total. ring light will meet all your needs in different circumstances. It is the perfect dimmable lighting to take away all the unflattering shadows. Dimming range: 1%-100% Upgraded Tripod StandNo-Twisting-To-Lock that collapses over time, new tripod adopts quick-flip locks and weighted tripod base for increased stability so it won't tip over. Extends from 17.5" to 51" and made of high-quality aluminum, it can be adjusted to any length between to match your needs and last you for years! Rotatable Phone HolderYou can easily adjust the phone holder to find one angle you desire (horizontal, vertical, high-angle, low-angle and more). The phone holder is spring-loaded and extends up to 3.6" wide, it is compatible with almost ALL smartphones with or without a case. USB PoweredWorks with most devices that support USB port, like laptop, PC, power bank, USB charger, AC adapter, and etc. There are four buttons on cords to power on/off, switch the lighting mode, and adjust brightness levels, it is easy to find your preferred options in seconds. After-sales-If you have any questions about our products, please contact us in time.