[High -sensitivity] The nuclear radiation detector uses a professional leather counter and an advanced GM tube as the core sensor, which can accurately detect β, γ and X -rays, and update it once a second. Radiation detector detection range: 0.08 ~ 50msv/hr.<br> [Sound and light alarm] Regardless of whether the screen of the personal radiation detector is sleeping or working status, when the detected radiation dose exceeds the alarm threshold, the dose of the cover countmaker will emit loud noise and flashing screen alarm. Take care of your and your family's health in all aspects.<br> [Low Energy-OOLED Display] The built-in powerful charging lithium battery, the nuclear radiation detector only needs to charge for 2-3 hours, and the display can be measured continuously for 50 hours after working automatically.<br> [Pen Folder Design] The size of this Geiger counter is like a pen, which is small and convenient. You can clamp it in any place you want to clip. This radiation detector can provide you with a 24 -hour comprehensive detection.<br> [Wide application scope] This radiation dose meter is widely used in the environment of existing ionizing radiation environment, such as family decoration, radiation emitting manufacturing enterprises, health, approval, nuclear power plants, building materials, petrochemicals, geological census, etc., which are family, are families, are families, which are families. The Perfect choice of hospitals and workplaces.<br> Material: plastic<br> colour: Black<br> Package Contents:<br> 1 x Geiger Counter