Specification:

Radiation Measured:  Gamma (X) rays 

Detector: Energy Compensated GM detector

Measurement Range: 0.1uSv/h to 40 mSv/h

Energy Response: ≤ ±30% (60 keV to 1.3 Mev)

Accuracy: ≤ ± 10% (1 uSv/h to 40 mSv/h)

Power: Standard Alkaline 9v (6LF22)

Operation Temperature: -20 °C to 50 °C

Battery Life time: ≥ 120 hours

Weight: 268 g (include AA battery)

Buzzer: ≥ 85dB @ 10 cm

Dimensions: 67(W) x23(D) x 109(H) mm

Distance Measuring Range: 10 cm - 4 m (Max. 4 m)

Material: Aluminum