Feature:1. HIGH SENSITIVITY: The nuclear radiation detector uses professional geiger counters as the core sensors, which can accurately detect , And X ray, updated once per second. The detection range of the radiation detector is 0 to 9999mSv/hr.2. SOUND AND LIGHT ALARM: Regardless of whether the radiation detector screen is in a sleep or working state, when the detected radiation dose exceeds the alarm threshold, the Geiger counter dosimeter will emit a large sound and a flashing screen alarm. Take full care of your and your family's health.3. LOW ENERGY CONSUMPTION: Equipped with a powerful rechargeable lithium battery, the nuclear radiation detector only needs to be charged for 2 to 3 hours. After automatic sleep during operation, the monitor can continuously measure for 24 hours. Compact and convenient, you can carry it anywhere you want to explore. This radiation detector can provide you with 24 hour comprehensive detection.4. WIDE APPLICATION RANGE: This radiation detector is widely used in existing ionizing radiation environments, such as home decoration, radiation production enterprises, health, nuclear laboratories, nuclear power plants, building materials, petrochemicals, geological surveys, etc. An ideal choice for families, hospitals, and workplaces.5. ABS MATERIAL: Made of premium ABS material, this tester is strong and sturdy, wear resistant and scratch resistant, ensures a long service life.Specification:Item Type: Nuclear Radiation DetectorMaterial: ABSBattery: Polymer battery x 1Battery Capacity: 500mAh (shipped with built in battery)Sensor Type: rays, rays, X raysRange: 0 to 9999 SVResolution: 0.01 SV/hSensitivity: 80cpm, SV, (Co 60)Charging: 1 to 2 hours.Package List:1 x Tester 1 x USB Cable 1 x Manual