The Radon Gas Detector Pro Series 3 by Safety Siren is the only electronic radon alarm available today that is specifically designed for homeowners. This digital detector Pro Series 3 allows the homeowner to perform radon testing and monitor the radon levels in their home by displaying short term and long term averages so that testing can be done 24/7 365 days a year. Evaluated by the US EPA and meets radon testing performance criteria to accurately and precisely measure radon measurement levels in the home. The Radon Detectors have a numeric LED radon gas level display range is .1 to 999.9 in pCi/L. for Short and long term readings. The audible alarm will sound if short or long-term radon gas averages are 4 pCi/L or greater. The HS71512 Continuously samples air and Displays updates hourly, and a  fail safe self test happens every 24 hours, error codes will display if test fails. A multi function menu button with a Green LED that illuminates next to S (short-term) or L (long-term) display. To begin new test clear and reset radon monitor memory. An audible alarm will signal if a Long term radon level is 4 pCi/L or greater or short term radon level is above 4 pCi/L for 30 consecutive days.

* HS71512

* Numeric LED display range of .1 to 999.9 shows the level of radon gas in pCi/L.

* Short-term reading displays the average radon gas levels over the past 7 days.

* Long-term reading displays the average radon gas levels since powered-up or last reset with a maximum reading time of 5 years.

* Upon initial power-up, short-term and long-term readings will display after the first 48 hours.

* Audible alarm sounds if the long-term average reaches 4 pCi/L or greater or the short-term average stays above 4 pCi/L for 30 consecutive days.

* Samples air continuously with the display updated every hour.

* Conducts a failsafe self-test every 24 hours with an error code displayed if there is a failure.

* Menu button controls 4 functions.

* Switch between the short-term or long-term display, indicated by a green LED illuminated next to the S or L

* Conduct a manual test of the detector.

* Mute or reactivate the audible alarm if the detector is in an alarm state.

* Clear and reset the memory of the detector to begin new readings.

* 10' power cord allows user to locate detector away from walls, windows and doors.

* Evaluated by the US EPA and meets performance criteria to accurately and precisely measure radon.

* Radon Detectors have a 1 year warranty