Feature:    1. 2 in 1 Measurement: The detector supports 2 modes of nuclear radiation measurement and electromagnetic radiation measurement, long press the hold button can switch mode 2. High Performance: The tester has high sensitivity, instant response, excellent algorithm, with color display screen, provides stable reading 3. Sound and Light Alarm: When the radiation assessment exceeds the standard, there will be cluck sound and light alarm, light alarm has yellow and red two level 4. USB Charging: The charging of the tester is more convenient with USB interface, the tester can be used for a longer time, the indicator light shows the charging result 5. Portable: The tester is small in size, easy to operate and convenient to carry, which is very suitable for work outgoing Specification: Item Type: 2 in1 Radioactive Detector Shell Material: ABS Battery: 3.7V 1000mAh Polymer lithium battery (built in) Charging Voltage: 5V Charging Current: ≥1A Indicator Light: Green light on means charging, green light off means fully charged Display: 1.8in color TFT display, 4 level brightness adjustment Nuclear Radiation Parameter: Real Time Dose Range: 0.00-9.99mSv/h Cumulative Dose Range: 0.00-500mSv Sensitivity: 0.25cps/uSv/h Energy Response: 48keV-1.5MeV Resolution: 0.01uSv/h Error: ≤10% Electromagnetic Radiation Parameter:                                    Electric Field        Magnetic Field         High Frequency/Power Density                       Range         0-2000V/m         0-100uT         0-1000uw/cm2                      Resolution         0.01V/m         0.01uT         0.01uw/cm2                      Exceeded Yellow Alarm         40V/m         0.4uT         40uw/cm2                      Exceeded Red Alarm         400V/m         20uT         200uw/cm2                   Frequency Measurement Range: 6Hz-5GHz Package List: 1 x 2 in 1 Radioactive Detector1 x USB Cable 1 x Manual