Feature: 1. Multifunctional: LCD screen radiation tester detects beta, gamma and X ray radiation and is suitable for monitoring a wide range of radiation sources. 2. High Sensitivity: Nuclear radiation detector with high sensitivity and accuracy to quickly and accurately detect radiation levels. 3. Wide Energy Range: Nuclear radiation tester is capable of detecting energy ranges from 20kev to 3.0mev, covering common radiation sources including 137Cs, etc. 4. High Accuracy: X β and γ ray tester has a testing accuracy of 0.01usv/h, and real time range and average range can get to 0‑99.99usv/h, ensuring accurate radiation measurement results. 5. Real Time Monitoring: Radiation detector is able to monitor radiation levels in real time, providing real time data with an error of no more than 10%, helping users to understand the radiation environment in a timely manner. Specification: Item Type: Nuclear Radiation Detector Material: ABS Detectable Species: β, Gamma, X ray Energy Range: 20kev-3.0mev ≤30% (137Cs-) Sensitivity: 80cpm μSV Co-60 Testing Accuracy: 0.01usv/h Real Time Range: 0-99.99usv/h Average Range: 0-99.99usv/h Real Time Error: ≤10% Average Error: ≤3% Power Supply: 2 x AA Battery (not included). Package List: 1 x Nuclear Radiation Detector 1 x User Manual