Specifications Size: 420 x 120mm Voltage: 36V Light Output: White Light Source Type: 16 LED Lamp Beads Control Method: Touch Fixing Method: Clip Packing includes 1 x reading light 1 x charging cable LED USB with eye protection light source bed light clipbed White power cord with LED light, LED desk lamp can emit natural, non-flickering light without hurting or straining your eyes. Perfect for reading, studying, working, painting, sleeping, etc. Reduce eye strain and protect your eyes 3 Adjustablebrightness to best suit your needs. Press the button once to select the color temperature, and long press to adjust the brightness. The freely twisted tube can be rotated 360 to give you the best viewing angle. With the non-slip silicone pad on thebase, it can also be placed smoothly Clip-on design with a non-slip base or clip holder The clip can be opened up to a maximum width of 6cm. You can install this reading light in many places such as books, desks, headboards, bookshelves, bookshelves,cabinets, desks, lecterns, pianos and computers. You can also put it on the desk like a normal desk lamp for extensive use: the LED clip on the USB reading light provides a more even and wider evenly distributed lighting area than other LED book lights,ideal for student dorms, offices, bedrooms, Room, kindle for reading, studying, etc. With the non-slip silicone pad on the base, it can also be placed smoothly Clip-on design with non-slip base or clip holder The clip can be opened up to a width of6cm