Product details:

Comply with standard light level comply with American National Standard practice for office lighting 500 lux recommendation (1000 lux in the center) Auto-dimming using a built-in ambient light sensor screen Bar adjusts the brightness level throughout the day for a eye-healthy workspace It can also be manually dimmed with the touch control Hue adjustment Adjustable color temperature to provide focus and comfort Warm light for relaxing cool light for work efficiency No screen glare Its asymmetrical Optical design only illuminates the desk and eliminates reflective glare off the screen found on most regular desk lamps Space saving breakthrough design mounts on top of the monitor saving valuable space on your desk Fits nearly any monitor the weighted clip gently rests on nearly any monitor with thickness from 0 4To 1 2(1 to 3 cm). It works perfectly on monitors with the bezel wider than 0. 8cm (0. 32'). The length of USB cable is 1. 5M.