Features [High Sensitivity] Adopts professional geiger counter and advanced GM tube as the core sensor, allowing for precise detection of γ X β ray with updates every second. [Sound Light Prompt]: Whether in sleep mode or active mode, when the detected radiation dose exceeds the alarm threshold, this radiation dosimeter emits sound and flashes light on the screen. [Low Power Consumption] With powerful rechargeable lithium battery, this radiation monitor only requires 2 to 3 hours of charging and can continuously measure for 24 hours after automatically entering sleep mode. [Wide Application Range] This radiation dosimeter is widely used in environments with existing ionizing radiation, such as home renovation, radiation production facilities, healthcare, nuclear laboratories. [Portable and Reliable] With its compact design, this radiation detector can be easily carried around and provides reliable and accurate radiation detection, ensuring your safety. Specification: Item Type: Nuclear Radiation Detector Material: ABS Battery: Polymer battery x 1, battery capacity: 400mAh (built in) Detection Count: 48mm Geiger counter tube Measurement Range: 0.08μSv/h to 9999μSv/h Reaction Speed: Reaction within 10 seconds, achieve a stable value within 2 minutes Refresh Frequency: 1 second per time Working Environment: -10℃ to 50℃ Display: 0.96 inch TFT HD LCD display screen Humidity: ≤95% RH without condensation Detection Ray Type: γ ray, X ray, β ray Endurance: 15-24 hours Application: Home, hospital, nuclear power plant, laboratory, processing enterprise, metallurgy, etc. Package List: 1 x Nuclear Radiation Detector 1 x USB Cable 1 x User Manual Package List 1 x Nuclear Radiation Detector 1 x USB Cable 1 x User Manual