10,000 lux for SAD lampThis light therapy lamp provides full spectrum UV-free (protect your eyes) bright light to provide you with your daily energy from the sun. 10,000 lux for effective light therapy, against winter depression , circadian sleep disorders, fatigue, and shift work. USB Powered & Compact DesignPowered by USB Type-C cable, can be connected to computer or power bank directly. Compact size with foldable stand for easy transport and storage, fits your computer portable, on the kitchen counter, on your cubicle desk and elsewhere. Touch Control & Stepless Adjustment: With sensitive touch control key, built-in 3 color temperature modes (warm white/warm white/white) and adjustable brightness (2000-10000 lux). Infinitely adjustable color temperature and brightness by long pressing the touch control button, allowing you to change the brightness and color temperature as you like to provide the most comfortable environment. Countdown Timer & Attentive Memory FunctionThis day light has a built-in 15/30/45/60min automatic timer. We recommend starting with 15 minutes then gradually increasing to 30 minutes at 1 hour a day until you find a time that works best for you. All settings will be automatically saved for next use, avoid re-adjusting settings every time you use it. Wide ApplicationsMini size and light weight, takes up little space, equipped with a stand so that it can be flexible to stand with different standing positions. It can be widely used in home, office, cafe, school yoga, etc Let you feel the warmth of natural light on cloudy days and keep your mood cheerful.