The table lamp adopts a double-head design.The left and right head can be unfolded into a straight line, the maximum angle can reach 180 degrees, with the 160-degree swing angle in up and down direction, providing you with a larger lighting coverage and angle. Foldable design makes it effectively reduce writing shadows. With a sensitive touch switch, you can freely switch 3 lighting modes-warm white, natural white and cold white. In each mode, the brightness can be adjusted to suit your various lighting needs. Besides, the brightness can be remembered when you choose this mode again, which can save your time to adjust the brightness one more time. Built in high quality 2000mAh battery, it can last max 15 hours lighting in lowest brightness.