Nuclear Radiation Counter Pen Clip Nuclear Radiation Detector Monitor Portable Radiation Measuring Instruments For Beta Gamma 1.OLED display with night vision capability.2.The detection type is Beta, Gamma and X-rays . 3.The detection range is approximately 0.05 uSv - 50mSv.4.Pen-shaped design, easy to carry and use.5.Rechargeable design, reusable.Specification: Name: Pen Type nuclear radiation CounterSensor: 48mm counter tubeMeasurement accuracy -17% - +25% based on 137Cs Detection range: 0.05 uSv - 50mSvWorking environment: temperature -20C - 50C; humidity Battery life: 50 hours (continuous measurement, screen sleeping)Charging time: about 2-3 hoursCharging interface: TYPE-C (green light is always on when charging, and the light is off when fully charged)Display: OLEDPacking List: 1PC* Nuclear radiation detector pen1PC* Charging cable1PC* InstructionNotes: 1. Duetothelightingeffectsandangles,thereis acolordifferenceintheproduct, pleaseunderstand.2. Duetomanualmeasurement,thereisatoleranceintheproductsize.See more product details1.Measuring Scope - Nuclear Radiation Counter can be used for Beta, Gamma and X-rays etc. The detection range is wide. The detection range is approximately 0.05 uSv - 50mSv.2.Convenient for Being Carried - Nuclear Radiation Detector is easy to carry and use and fits easily in your pocket. It adopts a compact pen-shaped design. Length 108mm/4.25inch, diameter 18mm/0.71inch.3.Perfect Rechargeable Design - Radiation Counter has a charging time of 2-3 hours and a standby time of about 50 hours. Built-in battery. Can be charged via USB cable.4.Ingeniously Made - Radiation Detector has high sensitivity and accurate measurement. Values are more accurate when monitoring closer to the back of the instrument screen. The sensor is behind the OLED screen.5.The Perfect OLED Display - Nuclear Radiation Dosimeter is easy to use and starts automatic detection withclick. Instantaneous dose, average dose and cumulative dose rate can be clearly displayed. With night vision function.