Product information: Type of detected rays: beta, y, x-rays in the environment Detector type: energy-compensated GM tube Energy Response:48keV~1.5meV Sensitivity: 0.25cps/usv/h (relative to 137Cs) Real-time value range:0~99.99 usv/h Average value range:0~99.99 usv/h Accumulated value display range:0~99.999 msv Resolution:0.01usv/h Real-time value error:<10% Average Value Error:<3% Power consumption:<35mw Power supply: 3.7V/1000MAH rechargeable lithium polymer battery Atmospheric pressure: 86Kpa~106Kpa Storage Temperature: 86Kpa~106Kpa -20℃~50℃ Atmospheric Pressure*Relative Humidity 20%~85 Size Information: Packing list: Nuclear Radiation Detector*1 Product Image: