• FIRST OF ITS KIND: The first battery-operated, digital radon detector. Monitor your home without the need for an outlet.
• LONG TERM MONITORING: Monitor for cancer-causing radon gas. Long term monitoring is necessary as radon levels fluctuate daily.
• BE IN CONTROL: Take action if your radon levels are high. Know if your improvements have worked by checking the short term, on-screen readings.
• RADON REPORT: Generate a radon self-inspection report easily, whenever you need it.
• FAST RESULTS: On-screen results show both long and short term readings, for a quick overview of your radon levels.

Unsure of prior use history. Looks and appears to be in good condition. Powers on- NO further testing. Everything included with this item can be seen in the images. See pictures for product condition.