The happy energy sunlight therapy box brings you the simulated natural sun light in door, no-flicker, UV-free and full spectrum. Provide a natural sunlight 10,000 Lux on a snowy day, rainy day, cloudy day, and other moment lack of sunlight!<br/> <br/> Mordern designed, blends seamlessly into your home or office, easy to carry and use.leading to better rest and working.<br/> <br/> <b>HOW TO USE</b><br/> 1,Put it on - Place the light on the stand, and put it in a convenient location like on a desk or table top and turn it on.<br/> <br/> 2, Adjust it - Find a comfortable distance which sould be facing to you, but you can't looking directly into it.<br/> <br/> 3, Start - Adjust the brightness, We suggest using low brightness and about 10 minute at the first time you use. Usage duration depends on the distance; the closer you are to the light, the less time you should use it.<br/> <br/> If you have any questions during use,Please feel free to contact us.