1.Professional, sophisticated UV tester 2.Spectrum of UV detector: 275nm~325nm (Peak 297nm, 50% transmittance band: 285nm~310nm) 3.Four test grades available 4.Unique sensor structure 5.LSI circuit, reliable and durable 6. External UV sensor for easy test at the right location 7.Displays symbol and unit, easy to read Application: Breeding, Sterilization, UV LED Intensity, Pet, Livestock Locust Control, UV Health Light, Plant Growth Light Intensity