Model GC-01 Product Type Nuclear Radiation Detector Detector Energy Compensation GM tube (Geiger Technology tube) Dose Equivalent Rate 0.00-1000uSv/h (10mSv/h) Types of Detection Rays γ ray, X ray, β ray Cumulative Dose Equivalent 0.00μSv-500.0mSv Energy Range 48keV-1.5Mev ≤ ±30% (for 137Cs-) Language Chinese/English switch Sensitivity 80CPM/uSv (For Co-60) Dosage Unit μSv/h, μGy/h, mR/h, cps, cpm switch Alarm Method light, vibration, sound Power Supply 1100mAh lithium battery Size 1207827mm