Specifications:
Name: Geiger Counter
Material: ABS
Battery: 2 * 3.7V, 1200mAh battery (included)
Detection ranges: 20mR/h-120mR/h(γ) and 100-1800d/m.cm2(β), and X ray.
Cumulative dose equivalent: 0-9999msv
Dose equivalent rate: 0-9999usv/h
Relative error: 2.5% (around 1mSv/h)
Sensibility: 1.5cps/uSv/h
Counting background: 180CPM
Energy-response: (48KeV-3.0MeV)
Power consumption: 0.5W
Temperature: -10℃ to 50℃
Tube size: 26 * 26 * 220mm / 1.02 * 1.02 * 8.66in
Item size: 135 * 70 * 25mm / 5.31 * 2.76 * 0.98in
Item weight: 380g / 13.40ounce
Package size: 333 * 205 * 55mm / 12.99 * 8.07 * 2.17in
Package weight: 474g / 16.72ounce

Packing List:
1 * Geiger Counter
1 * Tube