Specification: Dimensions: 420 x 120 mm Voltage: 36V Light color: white light Light source type: 16 LED lamp beads Control method: touch control Fixing method: clip. Packing list: 1 reading light and 1 USB charging cable. LED Bed Clamp Light Bed White Power Cord with Eye Protection Source, LED Clamp Table Lamp emits natural, flicker-free light that won't hurt or strain your eyes. Perfect for reading, studying, working, drawing, sleeping and more. Reduce eye fatigue and protect eyes 3 levels of brightness adjustable to best suit your needs. Press the button once to select color temperature, and press and hold to adjust brightness. The freely twisting tube can rotate 360 degrees to give you the best viewing angle. There are non-slip silicone pads on the base for smooth placement. Clip-on design with non-slip clip base or stand. The maximum width the clip can open is 6 cm. You can install this reading light in many locations such as books, tables, headboards, shelves, bookcases, wardrobes, music stands, pianos, and computers. You can also put it on the table as a normal desk lamp for wide use: LED clip on USB reading lamp provides a more uniform, wider and evenly distributed lighting area than other LED book lamps, perfect for student dormitories, offices, bedrooms, children's Room, kindle, etc. for reading, studying, etc.