ScreenBar - Eye care LED Monitor Light, Matte Black USB Powered Office Lamp Features: Adjustable color temperature and auto dimming by bulit-in light sensor, providing the best lighting environment. Save valuable space on your desk, with specially designed clip that fits on nearly any monitor. Asymmetrical optical design that eliminates reflective glare off the screen, only illuminating the desk. Specifications: Lighting Light Source Dual Color LED Color Rendering Index >95 Illuminance Center Illuminance 930lux (Height 45cm) Lighting Coverage (At 500 Lux) 60cm x 30cm Product Color Black Materials Aluminum alloy, Polycarbonate Power Power Input 5V,1A USB Port Power Consumption 5W (Max.) Power Supply USB Dimension and Weight Dimensions (H x W x D cm) 45 x 9 x 9.2 Net Weight (kg) 0.53 Gross Weight (kg) 0.94 USB Cable Length 1.5m Monitor Compatibility (thickness) 0.4''- 1.2'' (1.01cm - 3.05cm)