3 light modes & 10 brightness levels: dimmable led desk ring light with 3 lighting modes: warm light, warm–white light and white light. each lighting mode has 10 adjustable brightness to choose. built-in controller easy to power on/off and switch to the lighting mode to fit your various use. eye-caring soft ring light made with premium leds, offers no-flickering and no-dazzling light, protect your eyesight and reduce your eye strain while using. this ring light provide soft adequate supplement lighting can work perfect as selfie/ makeup lighting or computer lighting for video conference, live-streaming, vloging, zoom meeting, reading, etc. 360° flexible gooseneck arm allows you to easily adjust the lighting direction as needed. the strong metal clip opens up wide enough , easy to clip on table, desk or bedside.