<p>The light intensity of around 10,000 lux in order to compensate the effects of a lack of light. Designed to boost your mood and energy by mimicking the effects of a sunny sky. The product is equipped with LED technology and offers an exceptionally bright and even illumination. Its compact size allows you to take it with you on the go. The bright light is flicker-free and UV-free.</p> <p> <b>Product Specifications</b><br /> Power: 5v - 1A/2A/3A USB<br /> Lighting Intensity: > 10000Lux<br /> Color temperature: 6500K<br /> Bulb Type: Cold cathode fluorescent lamp<br /> </p> <p><b>How to Use</b></p> <p>1.Place the light on the stand. The orientation/angle changes depending on where you attach the Stand, which enables you to tailor the angle as desired. </p> <p>2.Rotate the dimmer to the open position.</p> <p>3.Sit 8 - 24 inches from the lamp. You can go about your normal activities while using it, such as reading, writing, making telephone calls, etc.</p> <p><b>Usage duration depends on the distance; the closer you are to the light, the less time you should use it.</b></p> <p><b>Distance / Duration</b></p> <p>7 inches / ½ hour per day</p> <p>7– 15 inches / 1 hour per day</p> <p>15 – 22 inches / 2 hours per day</p> <p>4.Rotate the dimmer to shut the unit off. Unplug the power adapter from the electrical outlet.</p> <p><b>NOTE: Eye aches and mild headaches may occur for the first uses and will subside after continued usage.</b></p>