happy natural light therapy lamp simulated sunlight full spectrum led lamp uv-free 10000 lux bright light box portable amzcool <b>10,000 lux lamp, uv free keep, a brightness new day stars from this lamp.</b><br/> <br/> <b>feature</b><br/> <br/> delivers natural daylight to your home, office, dorm room or apartment with no uv.<br/> has up to 10,000 lux of bright natural spectrum light per unit to lift spirits, sharpen concentration and improve energy levels.<br/> activates your body’s own energy enhancers to make you more alert and productive.<br/> is designed with a compact shape and small foot print to make it easy to place in a convenient location.<br/> <br/> <b>normal version</b><br/> use a stepless dimmer to adjust the brightness, you can adjust the brightness that you feel comfortable with.<br/>