1.Ultraviolet illuminmeter 2.Professional, sophisticated UV tester 3.Spectrum of UV detector:320nm~390nm 4.Four measurement grades available 5.Unique UV sensor structure 6.LSI circuit, reliable and durable 7.External UV sensor for easy measurement at the right location 8.Displays symbol and unit, easy to read Application: UV exposure, DNA research, mosquito lamp testing, ink adhesive curing, UV radiation hazard measurement