The nuclear radiation detector uses a Geiger counter with an advanced GeigerMuller (GM) tube as the core sensor, capable of accurately detecting beta, gamma and Xray radiation, updating once per second. Detection range: 0.08–50 mSv/h. The digital radiation detector provides realtime data updates and a timed detection function. The measurement time can be set from 0 to 999 hours. The last 10 timed measurements are automatically stored. This radiation detector is widely used in environments with ionising radiation, such as home renovation, radiationexposed manufacturing, health, nuclear laboratories, nuclear power stations, building materials, petrochemicals, geology and surveying census. It is suitable for homes, hospitals and workplaces. If the detected radiation dose exceeds the alarm threshold, the device will emit a loud sound and flash the screen alarm, regardless of whether the screen is in sleep mode or active.