This is a portable digital ultraviolet radiation detector. Lightweight and portable size, easy to carry and convenient to use. With LCD display screen, you can read the measure data clearly. Function:Clock,ultraviolet radiation levels,ultraviolet radiation dose test data,for protection grde hint,temperature. Application:home office, indoor, outdoor, transport car sticker, UV lamps and lanterns,as well as equipment,UV radiation skin care products, clothing detection using UV radiation.