Detecting range: 0.00-100Sv/h.The nuclear radiation monitor responds quickly to radiation, and will alarm in time in high-risk environments.Large LCD display screen for you to read the detecting data clearly and easily, you can get the results in time.This radiation tester can be widely used in nuclear power- plant, accelerator, iron & steel industry, chemical 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.