Features FAST AND WIDE: The radiation dose alarm instrument has a high sensitivity Geiger technology tube as a detector, which is mainly used to monitor X, γ and hard β radiation in various radioactive workplaces, with quickly response and wide measurement range POWER OFF MEMORY: The geiger counter display the current and cumulative dose rates in the workplace, and the calendar, time and accumulated data are stored permanently when the battery is changed WIDE APPLICATION: Nuclear radiation detector is widely used in nuclear power plants, accelerators, steel, chemical industry, isotope applications, industrial X gamma, radioactive stone, radioactive medical treatment, cobalt source therapy, y radiation, i MEASUREMENT DISPLAY: The radioactive dosimeter dose rate is displayed every second, and the protective alarm response is less than 5 seconds SCRATCH RESISTANT ABS: Digital radioactive tester adopt excellent ABS material, possess impact resistance, scratch resistance, environmentally friendly Specification: Item Type: Nuclear Radiation Detector Material: ABS Battery: 2 x AA battery(not included) Detection Rays: X, gamma, and beta rays Detector: Energy compensation Geiger counter tube low energy response is improved Dose Equivalent Rate: 0.01~100μSv/h Alarm Threshold: Dose Rate: Optionally selected in 0.05μSv/h increments within 100.0μSv/h Measurements Display: The dose rate is displayed per second and the protective alarm response is less than 5 seconds Package List:1 x Nuclear Radiation Detector1 x User Manual Package List 1 x Nuclear Radiation Detector 1 x User Manual