Features High Detection Efficiency: The instrument adopts a radioactive detector array with high detection efficiency, which is suitable for monitoring the β-ray radiation dose rate. Easy to View: The nuclear radiation detector adopts a liquid crystal display, which has clear reading and easy operation. It also has an English display interface, which is convenient for users to view. 24H real-time monitoring allows users to check anytime and anywhere. Multiple Functions: The nuclear radiation detector has 2 detection modes, 3 alarm modes and multiple alarm thresholds. Applicable to: Nuclear radiation detectors can be used in medical environment, factory environment, home environment, gemstone detection, ore detection, etc. Excellent After-sales Service: We provide you with high-quality after-sales service. If you have any questions, please feel free to contact us, and we will deal with it for you as soon as possible. Specification: Condition: 100% Brand New Item Type: Radiation Detector Material: ABS Color: As shown in the picture Model: FS2011 Size: Approx.135x70x25mm / 5.3x2.8x1.0in  Weight: Approx.200g/7.1oz Detector: Energy compensated FM tube (Geiger counter tube) Energy Range: 50KVE-1.5MEV ≤ ±30% Measurement Shows: dose rate is displayed per second, protection alarm is less than 5 seconds A Dose Equivalent Rate: 0.01~1000MSV (maximum 10MSV/H) B Cumulative Dose Equivalent: 0.01MSV~500.0MSV Quite Inherent Error: ≤ ±15% (137CS 1msv/h) A Dose Rate: 0.5, 1.0, 1.5, 2.0, 2.5, 5.0, 10.0, 50.0, 100 MSV B Cumulative Dose Rate: 0.05, 0.5.1.0.2.0, 5.0, 10.0, 20.0, 50.0, 100MSV Operating Environment: Temperature -10 ° ~ +45 ° Relative humidity: ≤ 95% (+45 °) Power: 2 x AA battery(Not included) Voltage: 3V Rated Power: 50Hz Package List: 1 x Nuclear Radiation Detector 1 x Instruction Manual 1 x Warranty Card Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List