Detecting range: 0.00-100Sv/h.The nuclear radiation monitor responds quickly to radiation, and will alarm in time in high-risk environments. LCD display screen to read the detecting data clearly and , you can the results in time.This radiation tester can be widely used in nuclear power- plant, accelerator, iron & steel industry, industry, isotope- application.Portable size and easy to carry, you can put it into your bag to carry and hold it to use.Specifications:Power supply: 1.5V 2XAAA Battery (Not included)Range: 0.00~100Sv/hMaterial: plasticcolour: blackPackage Contents:1 x Nuclear Radiation DetectorOnly 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.