Comprehensive Measurement Capability: Combines UV transmission, IR transmission, and light transmittance measurement functions in one device for thorough window film testing. Data Lock: Data can be locked on the screen post-measurement for easy reading. Efficient Operation: Provides rapid measurement with simultaneous display of UV, VL, and IR transmission values, offering instant into material performance. Portable & Easy-to-Use: , compact design with battery operation (batteries not included) ensures portability and convenience for on-the-go measurements. Hign-concerned Chemical:None Power Supply:4 x AAA batteries(Not included batteries) Model Number:DY32A Type:Split Beam Spectrometers Item:Solar Film Transmission Meter Suggested Test Materials:Solar film wavelength of visible light:530nm Infrared wavelength:940nm UV wavelength:365nm Resolution:0.1% Maximum thickness of the measured object:1mm Notice:In "Hold" state, the not change even if the test sample is removed. To measure again, short the "ON/Hold" button to cancel the "Hold" state and return to the "Measurement" state. The product appearance and printed words depending on the batch, but this does not affect use. Colour:As Shown Material:ABS Package Contents: 1 * DY32A Host 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.