Features: Better protect your health, such as vehicles, homes, nuclear power plants, industry, radioactive medicine, material testing, environmental testing, steel industry, chemical industry, isotope application, X . Using professional Geiger counter and advanced GM tube as the core sensor, it can accurately detect radiation. It is updated every second, real-time data transmission, and supports extensive detection. The alarm threshold is set to 0.5u SV/h. When it is close to the limit value, an alarm will be sent automatically. Take full care of your health and that of your family. USB interface and battery are supported. Easy to operate, bright display and clear reading. Support real-time data viewing and real-time detection. It also supports the conversion of total data collected over a period of time into average data and trend charts. High quality Geiger tube is used as the core part of the product. The measuring range is five times larger than the ordinary counter tube, the response time is 25% higher, and the accuracy is 10% higher. Specification: Material: ABS Color:Black,White,Yellow Detector:Beta, Gamma, X-ray Sensitivity: 80cpm / SV / Co-60 Real time range:0- 99.99sv/h Real time error: less than plus or minus 10% Voice source: real particle sound / alarm sound / mute Energy Range:20kev-me3.0v less than 30% (137Cs) Power supply: 2 * AA battery (not included) or USB cable (not included) Package Size:150 * 80 * 50mm Package Weight:166G Package List: 1 x Nuclear Radiation Detector