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 with eye protection, emits natural, flicker-free light that won't hurt or strain your eyes. Perfect for reading, studying, working, drawing, and other tasks. Helps reduce eye fatigue with 3 levels of brightness adjustment to suit your needs. Press the button once to select color temperature, and press and hold to adjust brightness. The flexible gooseneck can rotate 360 degrees for optimal viewing angle. Non-slip silicone pads on the base ensure secure placement. Clip-on design with non-slip clamp or stand. Maximum clip opening width: 6 cm. This reading light can be installed in various locations such as books, tables, headboards, shelves, bookcases, wardrobes, music stands, pianos, and computers. Can also be used as a desk lamp. The LED clip-on USB reading lamp provides a uniform, wide, and evenly distributed lighting area, ideal for student dormitories, offices, bedrooms, children's rooms, and use with devices like Kindle for reading and studying.