?It is compact and portable, easy to carry, so you can put it in your bag and take it with you ?With a clear screen, you can read the test data clearly and conveniently, and get the results on time ?It is used to measure Gamma, Beta and X-ray radiation, and it will sound an alarm when it exceeds the limit range, and it will alarm in time to ensure safety ?Widely used in environmental monitoring of nuclear power plants, accelerators, steel industry, chemical industry, isotope applications, radiation laboratories and nuclear facilities Specifications: ?Measuring radiation types: hard |?, |?, X ?Detector type: Glass Geiger tube ?Measuring range: 0.01-1000uSv/h ?Accuracy: ?��20% ?Energy response: 40KeV-1.5MeV ?Measurement unit: uSv/h, mR/h, CPS, curve plotting, cumulative dose ?Alarm value function: Alarm threshold can be set ?Alarm mode: sound, vibration (independent switch) ?Accumulation time: 1-9999 minutes can be set. ?Accumulated dose: automatic accumulation, can be manually reset ?Maximum value retention: automatic retention of the maximum value ?Curve observation: the last 1 hour curve, and automatically calculate the maximum value and average value ?Measurement mode: Fast and smooth mode ?Language: Chinese and English menu ?Operating temperature: -20????60?? ?Operating humidity: 5%-95%RH (non-condensing) ?Battery: Type-C charging port, 2200mAh, 3.7V 18650 lithium battery ?Charging time: