Features 【MEASUREMENT DISPLAY】 Equipped with a rapid display update feature, this dosimeter constantly updates the dose rate every second, ensuring meticulous monitoring. The device is also designed with a swift protective alarm that activates in under 5 seconds when it detects hazardous levels of radiation 【SCRATCH RESISTANT ABS】The dosimeter is crafted from high-quality ABS material, known for its superior durability and resistance to scratches and impacts. This eco-friendly selection of material also contributes to the product's longevity and consistent performance 【FAST AND WIDE】With an advanced technology sensor at its core, this radiation dose alarm instrument boasts exceptional sensitivity, swiftly and accurately detecting X-rays, gamma rays, and hard beta radiation. This technology ensures a broad measurement range and quick response time, making it an essential tool for real-time radiation assessment 【POWER OFF MEMORY】The intelligent power-off memory function ensures that valuable dose rates, as well as date, time, and cumulative data, are preserved and not lost during battery replacement. This feature provides continuity and reliability in tracking radiation exposure over time 【WIDE APPLICATION】This nuclear radiation detector is indispensable in a variety of high-risk environments including nuclear power plants, steel and chemical industries, medical isotope applications, and other sectors where monitoring of X-rays, gamma rays, and cobalt source therapy radiation is crucial. Features: 1. This dosimeter offers real-time monitoring with updates every second and an alarm that sounds within 5 seconds for high radiation levels.  2. It's made of durable and scratch-resistant ABS material.  3. The device features a sensitive sensor for detecting X-rays, gamma rays, and hard beta radiation quickly and across a wide range.  4. It also retains important data during power off, ensuring continuous tracking of exposure.  5. Ideal for use in nuclear power plants, the steel and chemical industries, medical sectors, and anywhere accurate radiation detection is essential. 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 Detector 1 x User Manual Package List 1 x Nuclear Radiation Detector 1 x User Manual