Feature:1. High Quality Material: The Geiger counter is made of high quality ABS material, which is sturdy and durable to ensure long term use.2. Easy to Read: The Geiger counter can be digitally displayed and equipped with a backlight for easy reading.3. Easy to Operate: Geiger counter has timing shutdown, threshold alarm function, simple operation.4. Multifunctional: Geiger counter has data viewing, saving and output functions. Meet the needs of various work scenarios.5. Multi Display: The screen displays temperature and humidity conditions at the same time, providing more information at the same time.Specification:Item Type: Geiger CounterMaterial: ABSModel: JD-3001Battery Type: 3.7V Lithium Battery (Included)Battery Capacity: 2600mAhOperating Temperature: 0~ 50Operating Humidity: Relative Humidity 10%RH ~ 80%RHNuclear Radiation:Response Time: 3sDose Rate Response: <20% (1Sv/h~99.99mSv/h)Energy Response: <30% (48KeV~1.3MeV)Relative Inherent Error: <15%Electromagnetic Radiation:Unit: Electric Field: V/M; Magnetic Field: TAccuracy: Electric Field: 1V/M; Magnetic Field: 0.01TAlarm Threshold: Electric Field: 50V/M; Magnetic Field: 0.3TMeasuring Range: Electric Field: 1V/M ~ 1999V/M; Magnetic Field: 0.01T ~ 999.99TPurpose: Intelligent Instrument That Can Measure Nuclear Radiation and Electromagnetic RadiationApplicable Scenarios: Construction Engineering, Industrial Environment Monitoring, Medical Environment Monitoring, etc..Package List:1 x Detector1 x USB Cable1 x Manual 1 x Tool Box