Material: plastic Colors: white, black Size: 90mm*250mm*120mm Brightness adjustment: three-level dimming Switch: touch switch Power supply mode: USB power adapter Package included: 1 * Clip table lamp 1 * USB The reading light has 3 color modes, each with 3 brightness adjustments. The touch control makes it suitable for various scenes and people who are sensitive to light. [Read light with your own eyes] The circular lamp holder clamp lamp simulates the diffuse reflection of natural light, reduces multiple shadows, has a clear view, no flicker and no glare. There is no blue LED to protect your eyes from harm and the soft light allows you to read in bed without disturbing your partner. [Rechargeable Reading Lamp] Built-in 1800mAh USB lithium battery and reading lamp provides up to 28 hours of continuous light (low brightness setting). Fast charging interface, only 3 hours, you can read anytime, anywhere, no need to connect cables. [Heavy Duty Clip & Flexible Neck] The heavy duty padded clip can be clipped to the edge of any furniture without scratching it. Adequate hold can fix it anywhere. The book lamp has a flexible neck that can be bent and rotated with precision, giving you plenty of light no matter where you are