The Starr Instruments WTX-01 is an Accurate and Economical Window Tint Meter. This Instrument is used to measure the Visable Light Transmittance (VLT), alongside the Ultraviolet and Infrared Blocking Rate. All three of these measurements are taken simultaneously and display instantly. Often used in the automotive field, the WTX-01 is perfect for checking the legality of window tint on vehicles. An opening aperture of 8mm gives this gauge the ability to test on almost all films and windows. Despite being slim and portable, the WTX-01 offers incredibly accurate and repeatable results, thanks to its internal calibration and 0.1% resolution. FEATURES: Instantaneous Test Results Built-In Self Calibration Simultaneous Testing of Visible Light, Ultraviolet and Infrared Blocking Rates Simple Interface allows for easy use Small portable design ensures ultimate accessibility SPECIFICATIONS: Measurement Range 0% to 100% Sample Thickness 0 to 8 mm Resolution 0.1% Accuracy ±2% VLT Wavelength 380 nm to 760 nm (Conforms to CIE) UV Peak Wavelength 365 nm IR Peak Wavelength 940 nm / 1400 nm Display Segment LCD Power Supply 4 x AAA alkaline battery (Included) Dimensions 120 x 75 x 25 mm Weight 165 grams (WTX-01)