Description: Material: ABS+PVC+Aluminum Power: 5W Voltage: DC 5V Rated Current: 1A Rated Temperature: color: 3000-6000k Light source: LED Lamp beads: 48LED beads Power supply: USB interface Feature: 1. Reading lamps with 3 color temperatures: amber/warm light (3000K), warm white light (4500K) and white light (6500K). Each light mode has 10 levels of brightness dimming, available for your different needs. 2. The clip on desk light will be on your previous setting when powered back on to grab your lighting preference. Compared to; 24 LEDs, 48 LEDs is brighter, which will reduce your work or reading fatigue. 3. Easy to plug the USB cable into any available USB port (power bank/USB outlet/laptop/desktop/USB adapter) to power the lamp. LED clamp. Note: Only match with 5V/ 2A adapter - otherwise it will damage the control button and LED reading light. 4. Sturdy metal clip opens up to 2.36 inches, adjustable gooseneck and light ring 360°, to easily direct the light where you want for better viewing. 5. Lamp with; clamp Manufactured; in 48 high quality LEDs, without flickering or glare, helps those who read and work hours a day to protect eyesight and reduce eyestrain, great for reading, drawing, work, study. Best gift for kids and bookworms.