LED, UV-free, blue light: Blue light is the same as 10,000 lumens white light, imitating a bright sunny blue sky. Perfect for getting your daily light intake if you can't be outdoors or don't have enough natural light.2-Level Brightness Adjustable: The bright light has 2 adjustable brightness levels controlled by a touch switch. Adjust the brightness according to the usage environment, you can choose the brightness level from 50% to 100%.Auto-Off Timer: Built-in timer to control the length of the light therapy session according to your needs. The time interval can be set to 10, 20 and 30 minutes. Blue light therapy lamp fights energy dipping, fatigue and winter blues; only 20-30 mins/day; use when reading, working.Modern Design: Portable padded design that fits any desktop or work surface, blends seamlessly with the home or office, and travels with it. Put it on your nightstand to help you get up and start your day full of energy.Safe Blue Light Therapy: Does Not Hurt - Great for office workers who are stressed out, overnight, jet lag, insomnia, bad mood and sun-deprived.