Features: 1.100% high quality clip design, can be used on screen or keyboard. Energy-saving LED design can last up to 100,000 hours. 2. USB LED reading light with clip, flexible metal tube, easy to adjust in any direction. No external power is required, just turn on the laptop or PC and turn on the switch to work. 3. Low power consumption, soft LED lamp. It is very suitable for use in the dark and will not disturb roommates. 4. Battery-free USB power supply. Use the on/off switch design to light up the laptop or PC in the dark. 5. Attach the LED directly to the screen or keyboard, then plug the USB LED into the USB port of laptop or PC. Low power consumption energy, LED soft light. It is very suitable for use in the dark and will not disturb roommates. Powered by USB, without battery. Use the on/off switch design to light up the laptop or PC in the dark. Specifications: Material: Aluminum Alloy Rated Power: 3W Light source type: imported high-power LED lamp bead Input voltage: DC 3.5-5V Light color: purple light Power mode: USB power supply Wavelength: 395 Size: 13x7x7.5CM Package Included: 2 pcs * USB Night Light Notes: 1. Please allow 0-1 inch error due to manual measurement. Thank you for your understanding. 2. Monitor calibration is inconsistent, and item color displayed in photos may be showing slightly different from the actual object.