OxyLED OxyRead Smart L100 Eye-care LED Desk Lamp (5 Dimmable Level, 5V/1.1A USB Charging Port, Safe Touch Panel) 5 Level of brightness control; touch sensitive control panel Helps eliminate eyestrain and fatigue, as well as poor visual acuity Capable of swiveling and rotating for any desired lighting angle Maintains over 50,000 hours of full-lumen output Ultra-low voltage input and lighting temperature capped at 50 for absolute safety