Providing adjustable brightness of 5 levels￡? this desk lamp brings you more choices in different situation. It has a USB output port to charge for digital device. All details are for your pleasant experience. <br><br><strong>Features:</strong> <br>Adjustable brightness of 3 levels meets your different requirements. <br>Touch switch to control the light￡? more convenient to use. <br>USB output port on the back￡? illuminating and charging for digital device at the same time. <br>Cooling holes dissipates heat￡? making the lamp more durable. <br>Provides soft light￡? no double images￡? protecting eyes. <br>Simple and smooth shape looks fashion and in good taste. <br><br><strong>Specifications:</strong> <br>Plug: US standard <br>Working voltage: DC 10V <br>Working current: 1A <br>LED power: 8W <br>Color temperature: 2800-6000K <br>Luminous flux: 1000LUM (strong) / 500LUM (weak) <br>Color: White <br>Material: ABS <br>Light diameter: 14.0cm / 5.5in <br>Base diameter: 15.8cm / 6.2in <br>Item weight: 683.0g / 1.5 lb <br>Package size: 29.0 * 16.3 * 16.0cm / 11.4 * 6.4 * 6.3in (L * W * H) <br>Total weight: 865.0g / 1.9 lb <br><br><strong>Package list:</strong> <br>1 * Desk light <br>1 * US standard plug <br>1 * User manual (English)