Description/Features:<br> 1.The LS163 Window Film Transmission Meter is expertly designed for the precise measurement of optical properties in transparent materials such as solar films, laminated glass, and automotive glass.<br> 2.This device is essential for manufacturers, auto 4S shops, and beauty stores, offering an easy-to-read rotatable display and immediate test results.<br> 3.Advanced Optical Measurement: Capable of measuring VLT (Visible Light Transmission), UVR (UV Rejection), and IRR (Infrared Rejection), ensuring comprehensive assessment of material transparency and protection levels.<br> 4.Enhanced Display Features: Features a 128*128 dot matrix LCD that can rotate in four angles, allowing for clear visibility from any position.<br> 5.Efficient and User-Friendly: Equipped with a 6mm test slot, the meter provides instant feedback once materials are inserted, and includes a 'Hold' function to lock data on the screen.<br> Specifications:<br> UV wavelength: 365nm<br> Visible light: 380-760nm, conform to the CIE photopic luminosity function<br> Accuracy:±2% (Colorless and transparent material)<br> Resolution: 0.1%<br> Power supply: 4*AAA alkaline batteries<br> Due to different batches, there may be differences in product appearance and printed text, which not affect use<br> Colour: Grey<br> Material: ABS<br> Package Contents:<br> 1*Detector<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.