Feature 1GM COUNTER SENSOR: The detector uses GM counter sensor, which has high detection sensitivity and can detect X rays without damage. 2TFT DISPLAY: The monitor adopts TFT 2.0 color large screen, could display instantaneous value, average value and cumulative value in real time. 3SOUND LIGHT DUAL ALARM: This meter will provide audible and visual alarm if radiation is detected, users can set the alarm value by themselves. 4HUMANIZED DESIGN: Built in large capacity battery, which can last for up to 14 days. Chinese and English fonts can be switched at will for easy use. 5WIDE APPLICATION: The geiger counter can be used in nuclear industry sites, nuclear power plant radiation, hospital CT radiation, iodine 131, isotope detection, bone scanning radiation, nuclear pollution detection.Item Type:NuclearRadiationDetectorMaterial: ABSSensor: GM counter tube (Geiger counter tube)Measuring Range: 0.08uSv-50mSvBattery Life: 14 days (continuous measurement, screen sleep)Charging Interface: TYPE C interface (the green light is always on when charging, off when full charged)Alarm Response Time: <10sBattery: 1 x 603040 polymer lithium battery 750mAh (built in) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x NuclearRadiationDetector1 x Lanyard1 x Charging Cable1 x Manual