10,000 lux for SAD lamp - This therapy lamp offers full spectrum UV-free (protects your eyes) to provide your daily boost of sunshine. 10,000 lux for effective light therapy for winter depression, circadian sleep disorders, fatigue, and shift work. - USB powered and compact design - Powered by USB Type-C cable , can be connected directly to a computer or power bank. Compact size (16 x 14 x 0.3 cm) with foldable stand that's easy to carry and store, fits next to your laptop, on the kitchen counter, on your desk, and anywhere else. - Touch control and stepless adjustment - With sensitive touch control key, built-in 3 color temperature modes (warm white/white) and adjustable brightness (2000-10000 lux). Stepless 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 and Considerate Memory Function - This SAD light has a built-in 15/30/45/60min automatic timer; we recommend starting with 15 minutes then gradually increasing to 30 minutes to 1 hour daily until you find the most effective time for you. All settings will be automatically saved for next use, avoid re-adjusting settings every time you use it. - Widely Uses: Small size and light weight take up little space and equipped with a stand so that it is flexible to stand in different standing positions. It can be widely used at home, office, cafe, yoga class, etc. Let the warmth of natural light feel on cloudy days and keep your mood happy