Features:Nuclear radiation detector with LCD display, clear reading, easy to operate.The instrument uses a radioactive detector array with high detection efficiency, suitable for beta gamma x ray radiation dose rate monitoring.It has 2 kinds of detection methods, 3 kinds of alarm mode and a variety of alarm threshold.It also has English display interface, more convenient for users to check.24H real-time monitoring allows users to check anytime and anywhere.This product can be used in medical environment, factory environment, home environment, gem testing, ore testing, etc.Specification:Condition: 100% Brand NewItem Type: Radiation DetectorMaterial: ABSColor: As shown in the pictureModel: FS2011Size: Approx.135x70x25mm / 5.3x2.8x1.0inWeight: Approx.200g/7.1ozDetector: 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 secondsA Dose Equivalent Rate: 0.01~1000MSV (maximum 10MSV/H)B Cumulative Dose Equivalent: 0.01MSV~500.0MSVQuite 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 MSVB Cumulative Dose Rate: 0.05, 0.5.1.0.2.0, 5.0, 10.0, 20.0, 50.0, 100MSVOperating Environment: Temperature -10 ~ +45 Relative humidity: 95% (+45 )Power: 2 x AA battery(Not included)Voltage: 3VRated Power: 50HzPackage List:1 x Nuclear Radiation Detector1 x Instruction Manual1 x Warranty CardNote: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..