Providing adjustable brightness of 3 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 />Features:<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 />Specifications:<br />Plug: US standard<br />Working voltage: DC 5V<br />Working current: 1.2A max.<br />Output: 5V 500mA max.<br />Power consumption: 6W<br />Light source power: 3.5W<br />USB output: 5V 500mA max.<br />Luminous flux (35cm): 800LUM (strong) / 300LUM (weak)<br />CCT: 5300~5600K<br />Color: White， black (optional)<br />Material: ABS<br />Light diameter: 13.4cm / 5.3in<br />Base diameter: 15.8cm / 6.2in<br />Item weight: 762.0g / 1.7 lb<br />Package size: 29.0 * 16.0 * 16.0cm / 11.4 * 6.3 * 6.3in (L * W * H)<br />Total weight: 1026.0g / 2.3 lb<br /><br />Note: The max. USB output is 500mA. If the external device is beyond 500mA， it is suggested to turn down the brightness.<br /><br />Package list:<br />1 * Desk light<br />1 * US plug<br />1 * User manual (English)<br><img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-17-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-18-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-14-853d.jpg" /><br>$$<img src="//agdetail.image-gmkt.com/083/293/829293083/img/img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-9-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-11-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-16-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-1-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-10-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-8-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-5-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-12-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-15-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-6-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-13-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-7-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-2-853d.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/L/L0659B/L0659B-4-853d.jpg" /><br>