Accurate and efficient measurement: The CT-23 Portable Window Tint Transmission Meter is designed to provide simple operation and fast results Versatile application: This innovative device allows you to measure the transmittance of UV light, visible light, and infrared light Convenient data lock function: The instrument features a handy data lock function, which allows you to preserve the test data even after removing the sample Digital display and high resolution: With its digital display and wide measuring ran, the CT-23 provides clear and precise readings Portable and user-friendly design: Designed with portability in mind, this transmission meter boasts a compact size and non-slip design, making it convenient to grasp and carry for outdoor testing