Ideal ChoiceThe Geiger counter has a liquid crystal LCD display for clearer reading. You can switch languages. Easy to operate with one hand. Intelligent PromptEnter the setting option and set the prompt value. Whether the detector screen is in standby or working state, the radiation monitor will automatically remind you when the detected radiation dose exceeds the threshold value. Three light/vibration/sound combination modes are available. Fast ResponseBuilt-in Geiger counter to improve detection sensitivity, small error, measurement response speed is less than 1 second. Capable of detecting gamma rays, beta rays and X-rays. Multiple MeasurementsNuclear radiation detector with real-time dose value, average value, maximum value, cumulative dose detection, to meet your needs in different scenarios. Scope of ApplicationWidely used in the environment where ionizing radiation exists. Such as household radiation, geological survey, iron, test vehicles, nuclear power plants, industry, radiology, radiology laboratory, etc. Specifications: Model: GC01 Dose current rate: 0.00-1000usV/h (10mSv/h) Detection ray type: Gamma rays, X-rays, beta rays Detector: Energy-compensated GM tube (Geiger counter tube) Language: Chinese + English, free switching Battery capacity: 1100mAh