Nuclear Radiation Detector RG1100 Electronic Xray Radiation Detector Dose Alarm Dosimeter Device with Instruction?

Specification: Condition: 100% Brand New Item Type: Radiation Detector Material: ABS Detector: Energy compensated counter tube Measurement Range: Dose Rate: 0.10uSv/h to 10mSv/h Dose: 0uSv/h-10Sv Sensitivity: More than 1.5cps/uSv/h (relative to 137Cs ) Energy Response: 48keV-3.0MeV Relative Error: More than 5% (when at 1mSv/h) Power Supply: 2 x AAA Battery (Not Included) Power Consumption: More than 24mw Temperature Property: Minus 10 ? to plus 50 ?, less than or equal to 10 % Size: Approx. 90 x 55 x 25mm / 3.5 x 2.2 x 1in Weight: Approx. 222g / 7.8oz Package List: 1 x Radiation Detector 1 x Instruction