Please buyers Attention :Lam10A-Black-US isUS Plug.Lam10A-Black-EU is EU Plug.Lam10A-Black-UK is UK Plug.Features:Adjust the brightness and mode of the desk lamp through touch button.The choices of 5 color temperature and 7 levels of brightness to meet your different needs.Flexible neck can be adjusted to any direction you like.Features a built-in 5 V/1A USB port to charge your smart phone, iPad , kindle and mini USB fan etc.Non-flickering light can protect your eyes while you are writing, reading, working, and studying.Memory function, which allows the desk lamp to keep your last setting for mode and brightness.Specification:Color: White/BlackItem Weight: 517g/18.23ozLED Beads: 72Power: 12WLED Tube Length: 33.5cm/13.19"Operating Voltage: DC 12V/1AUSB Output Voltage:5V/1AColor Temperature: 2700-6000KLifespan: 30000 hoursLumen: 390lmOperating Temperature: -10-40Package Contents:1 x LED Desk Lamp1 x Power Adapter1 x User ManualColor information:1. We work very hard to provide the best representation of style and the color of the product through our photographs and descriptions.2. As the Buyer it is your responsibility to read and understand the color description as that is color of the item you are purchasing. If you are unsure, please email for clarification.3. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.4. Please choose your product carefully and ask all questions before bidding. We love questions, so ask away!