Features: *High Quality Material: The product is made of high quality material, durable and wear-resistant, not easy to break, can use for a long time. *Protable: Designed with a pen clip, this radiation detector is compact and convenient, and you can clip it anywhere you want. *High sensitivity: radiation detectors use advanced GM-counter tubes as cores sensors, which can accurately detect β, γ and X-rays to ensure the accuracy of measurement results. When the detected radiation dose exceeds the alarm threshold, the radiometer will emit a loudly sound and flash the screen to alarm. *Easy to Use: Equipped with a rechargeables battery and an digital dispaly screen for your convenience. *Wide range of applications: The radiometer is widely used in places with ionizing radiation environments, such as home decoration, radiation exposure manufacturing enterprises, sanitation, building materials, petrochemicals, geological surveys, etc. The radiation dosimeter is a family Ideal for , hospitals, workplaces. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: Diameter 15.3mm, Length 108mm Battery capacity: 150mAh Charging interface: Type-C Charging time: 2-3Hour Battery life: 50Hour Working environment: temperature -20 DegreeC~50 DegreeC; humidity Energy range: -17%~+25% (for 137Csγ) Measuring range: 0.05uSv~50mSv Package List: 1 x Radiation Detectors