BRIGHT AND ULTRAWIDE ILLUMINATION - ScreenBar Pro offers over 1000lx central brightness and a 500lx range within 85*50cm outperforming most desk lamps and enhancing eye comfort with ample illumination. HIGH COMPATIBILITY - Fits monitors 0.43-6.5cm thick and curvature 1000-1800R. Patented clamp design accommodates monitors with special back designs or non-flat top bezel. Easy setup and no blocking to camera lens. MOTION SENSOR - The ultrasonic motion sensor detects movements within a 70cm diameter range automatically lighting up when you're nearby and shutting down after 5 mins of absence to save energy. ASYM-LIGHTTM(TM) TECHNOLOGY- ScreenBar Pro's unique asymmetrical optics prevents screen reflection and direct glare lighting up the desktop for enhanced productivity while reducing eye strain. SPACE SAVING - ScreenBar Pro integrates convenient function buttons for easy adjustments and sits directly on monitors to save desk space. Powered via USB-C or with the included adapter