Specification Color WhiteSize 420120mmVoltage 36V LightColor WhiteLight type Touch controlInstallation Clip. 16 LED lamp beads Control method touch control Installation method clip package contains 1reading lamp, 1USB charging cable, LED with eye protection light source bedside clip lamp bed white power cable with LED light, LED clipon desk lamp can emit Natural and nonflickering light, no eye damage, no fatigue. Perfect for reading, studying, working, painting, sleeping and more. Reduce eye strain and protect your eyes 3 brightness levels adjustable to best suit your needs. Press the button once to select color temperature and a long press to adjust the brightness. The freely rotating tube can be rotated 360 to give you the best viewing angle. There are nonslip silicone pads on the base, and the clip design can also be placed smoothly. The maximum width of the base or the attachment clip with antislip clips is 6 cm. You can install this reading lamp in many places such as books, desks, bedside tables, bookshelves, bookcases, wardrobes, music stands, pianos and computers. You can also place it on the table and use it as a regular desk lamp. Compared to other LED book lights, the LED clipon USB reading light provides a uniform, wider, evenly distributed lighting area, which is perfect for dormitories, offices, bedrooms, childrens rooms, reading, studying at night, etc.