BenQ ScreenBar E-Reading LED Computer Monitor Light Lamp with Auto-Dimming and Hue Adjustment Features, USB Powered Office Lamp, Complements with Backlight/RGB Setups, Aluminium, Pack of 1

From the brand

Monitor Light/Lamp : Levels up gaming experience: Enhances immersion and focus, creates a comfortable gaming environment while playing with lights off – complements with backlight/RGB setups.
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
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 0.4″ To 1.2″ (1 to 3 cm). It works perfectly on monitors with the bezel wider than 0.8cm (0.32”). USB cable length is 1.5m.(5.9 inches).