Ring Light can adjust the color temperature from 3000K to 6000K via knob or remote without using color filters. Change the cold light to warm light quickly and smoothly. LCD screen on the back of the ring shows the situation of brightness, color temperature and battery, has great sense of technology. LED SMD design and 480pcs LED beads on our Light Ring offers more light for your camera photography, Facebook Live, beauty makeup, selfies and videos.Phone charging & outdoor use - LED Ring Light resolved the problem that your phone is out of power when you are live streaming. You can charge your phone through the USB port on the back of the ring while you are taking videos. Bring more convenience for your shooting. You can power your Ring Light by plugging it in indoors. Alternatively, if you need outdoor use, you can power your INKELTECH Ring Light outdoors with batteries