As you know, our brain's chemistry and body clock are affected by light, and light stimulates hormones and neurotransmitters that greatly influence our overall feelings of well-being. Bright light exposure early in the day stimulates our body's production of serotonin (which improves mood and happiness) and regulates melatonin in the evening (which promotes sleep). Help you improve mood, boost energy levels, enhance focus, reset internal body clock, help you enjoy your happiness and success ! - Four time setting function, press the time setting button, and you can set the light therapy light for 15 30 45 60 minutes, more energy saving - 360 rotational bracket, you can put this therapy lamp horizontally or vertically in any angle, if you like - Portable Durable design: the thickness of the therapy light is less than 0.4 inch, ultra-thin and light weight design enable you carry along to office, on travel or business trip etc - Full Spectrum Light: sun light delivers bright light at up to 10,000 lux to provide you with your daily boost of sunshine, bring the daylight indoor, let you fully relaxed Thank you very much for your trust and support, and I wish you a happy life.Thank you for your support, we will strive to do better. If you have any questions, please contact us in time, we will reply to you within 24 hours. USB POWERED COMPACT DESIGN: Powered by a 5V 2.5A AC DC adapter and a USB cable, it also can be connected directly to a computer or a surge protector via USB port portable design guarantees easy carrying, and sleek, modern tablet design blends seamlessly into any types of decor. COUNTDOWN TIMER: Built-in automatic timer allows you to set timing modes of 10 20 30 minutes for this light therapy lamp we recommend starting with 10 minutes and then gradually increg to 20 minutes to 1 hour daily until you find a time that is most effective for you. PERSONALIZED SETTINGS: This light therapy lamp offers 3 colors of light (white, natural and warm) and stepless dimming for more choices for maximum comfort, long press the button for brighten and dim. 10,000 LUX FULL SPECTRUM UV-FREE LIGHT: Utilizes full spectrum that filters out harmful UV light delivers up to 10,000 lux intensity for effective light therapy to help you fight the winter blues, circadian sleep disorders, fatigue and shift work.