Product Name: Nuclear Radiation Detector Detection count: 48mm Geiger counter Measuring range: 0.05uSv-50mSv Measurement accuracy: -17%-+25% based on 137C gamma; Working environment: -20-50; Humidity le;95%RH No condensation Battery capacity: 350mah Battery life: 15-24 hours Charging time: 1 hour Charging mode: USB-type-c Product size: 16 times;27 times;150MM Body material: Aluminum alloy Screen size: 0.96inch TFT color screen Specification: English/Japanese Package inclduing: 1 times;Nuclear Radiation Detector 1 times;Type-C Data Cable 1 times;English and Japanese Instruction [High Accuracy] This nuclear radiation detector has high accuracy, which is used for material inspection, environmental testing, radiation protection, radiopharmaceutical screening, etc. [Compact Size] This nuclear radiation detector has a smaller size and a larger screen. The measurement data is clear to see. The handheld instrument is easy to operate. [USB Charging] This nuclear radiation detector is USB charging. The charging time is about 1 hour and the battery life is about 15-24 hours. It can detect Beta, Gamma, and X-rays. [Easy to Use] With mute, alarm, particle sound selection button, test, and average reset re-test selection button, the backlight can be turned on or off. [High Quality] This product shell is made of premium aluminum alloy material, which is sturdy and durable to use. You do not need to worry about knock damage, which has a good metal texture.