1.  Measurement range: 1 - 10,000,000 Bq/m³
2.  Measurement principle: HV chamber - Deposition of short-lived Radon daughter products on a semiconductor detector, alpha-spectroscopy, continuous or interval operation by the pump
3.  Sniffing mode for localization of radon entryways
4.  Fast mode operation for fast response time
5.  High sensitivity with a small chamber volume
6.  Alarm mode in case of activity concentration exceedances
7.  Sensors for temperature, humidity, barometric pressure, and motion
8.  Battery- or mains-operated
9.  Freely adjustable measurement intervals on the instrument possible
10.  Data memory for 2,047 data records (with alpha spectrum) 
11.  DAkkS-accredited calibration according to the DIN EN ISO/IEC 17025:2018 included!
12.  Optional: data remote transfer