3 Bands Solar Film Transmission Meter Infrared Ultraviolet Rejection Tester Visual Light Detector Item Type: Solar Film Transmission Meter Material: ABS Ultraviolet: Peak Wavelength 365nm Infrared: Peak Wavelength 940nm Visible Light: 380nm-760nm, in line with CIE photopic vision function standard Measurement Accuracy: ±2% (colorless and uniform light transmitting material), the standard sample test used in the factory is better than ±1% Resolution: 0.1% Display: Segment Type LCD Testing Slot Size:  Width: Approx. 20mm / 0.8in Depth: Approx. 70mm / 2.8in Size: Approx. 175 x 120 x 30mm / 6.9 x 4.7 x 1.2in Battery: 4 x AA alkaline dry battery (battery not included) USB: 5V Power Supply (USB Type C Interface)