1.The testing slot is up to 8mm, can test filmed glass directly 2.Compact, portable, powered, ultra-low power consumption. 3.UV rejection meter, rejection meter, Visible light Transmittance Meter, Three functions in device. 4.Simple operation, rapid measurement, putting the testing sample in the "OPENING", UV, and transmission values of the sample simultaneously display immediately. 5.Suitable for measure film, filmed glass, window tint, side windshield Test for performance demonstrate, production, QA, inspection and so on many occasions. Testing Sample Thickness: Less than 8mm Resolution: 0.1% Accuracy: ±2% for Wavelength: 550nm UV for Wavelength: 365nm for Wavelength: 950nm Power Supply: 4xAAA Alkaline (Not Include) Color: As Shown Material: plastic Package Contents: 1Pcs x LS162 Transmission Meter 1Pcs x Portable Bag(The words on the product due to different batches, but it not affect the use) 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.