[Features], portable, battery powered, ultra-low power consumption [Test degree]The testing slot is up to 8mm, can test filmed glass directly [Full Functioning]UV transmission meter, IR transmission meter, Light Transmittance Meter, Three functions in ONE device [Simple Operation]Rapid measurement, putting the testing sample in the "OPENING", UV, VL and IR transmission values of the sample will simultaneously display immediately [Suitable for]Measure film, filmed glass, window , side windshield etc. Test for performance demonstrate, production, QA, inspection and so on many occasions 1. Small size, ultra-low power consumption, test up to 8mm, can directly test filmed glass 2. Infrared central wavelength: 940nm, suitable for testing heat-absorbing films Ultraviolet: wavelength 365nm Visible light: 380nm-760nm full wavelength, in line with CIE photopic function standard Infrared: wavelength 940nm Resolution: 0.1% Measurement accuracy: 2% (colorless uniform light-transmitting substance) The maximum thickness of the test object: Less than 8mm Power supply: 4XAAA batteries (not included) Colour:Photo Color Material:ABS Size:120 x 75 x 25mm Package Contents: 1X Solar Film Tester Meter 1X English Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.