SafetySiren's 4th generation radon monitor is sleek and easy to read. Backlit LED display makes it easy to check your radon level, while audible and visual alarms alert you if there is a high reading.
CONTINUOUS MONITORING both short & long term radon levels on an easy to read digital display
AUDIBLE ALARM will alert you if radon levels are high. 3 Audible Alarm Modes to Choose from with a Visual Alarm for the Hearing Impaired
BACK-LIGHT MODE for easy viewing of the digital display
PEACE OF MIND SafetySiren Pro4 performs a fail-safe self-test once every 24 hours