Specification Color: White Size: 420x120mm Voltage: 36V Light Color: White Light Type: Touch Control Installation: Clip Package Includes: 1 x Reading Light, 1 x USB Charging Cable LED with eye protection light source, bed clip lamp with white power cord, LED clip-on desk lamp can emit natural and non-flickering light, no eye damage, no fatigue. Perfect for reading, studying, working, painting, sleeping, and more. Reduces eye strain and protects your eyes. 3 brightness levels adjustable to best suit your needs. Press the button once to select the color temperature, and a long press to adjust the brightness. The freely twisting tube can be rotated 360 to give you the best viewing angle. There are non-slip silicone pads on the base, and the clip design ensures stable placement. The maximum width of the base or bracket clip with anti-slip clips is 6 cm. You can install this reading light in many places such as books, desks, nightstands, 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 with other LED book lights, the LED clip-on USB reading light provides a uniform, wider, evenly distributed lighting area, which is ideal for student dormitories, offices, bedrooms, children's rooms, and nighttime reading or studying.