☀Boost Your Mood: Unleash 10,000 lux of natural light intensity without UV, gentle on eyes and skin. This natural light lamp can help combat SAD (Seasonal Affective Disorder), winter blues, sleep disorders, circadian rhythm sleep issues, fatigue, and shift work. ☀3 Color Temperatures: This SAD lamp offers 3 light colors (white, natural, and warm), 5 adjustable brightness levels, and stepless dimming (20% to 100%). ☀Countdown Timer: This sun lamp has a built-in 10/20/30/60 min automatic timer; choose your ideal exposure time. ☀Memory Function: The user-friendly memory function resumes your favorite settings (light colors, brightness, timer) even when turned off. No need to reconfigure every time! ☀Compact Design: The ultra-slim design is super portable and ideal for home, office, and travel. The cord is quite long, and this small lamp easily sits on a desk, dresser, or nightstand.