SafetySiren Pro4 Series (4th Gen) - Leader in Home Radon Detection Since 1993. Made in The USA - USA Version pCi/L Towel Radiators The Calibrite Display Plus HL

The Calibrite Display Plus HL ensures your monitor shows the world exactly as it should — calibrated

Rubber overmold for added grip

Featuring a low-profile design and a clean

3-pin operated shutter

With battery

SafetySiren Pro4 Series (4th Gen) - Leader in Home Radon Detection Since 1993. Made in The USA - USA Version pCi/L Towel Radiators The Calibrite Display Plus HLLEADER IN HOME RADON GAS DETECTION SafetySiren Pro4 Series is our 4th Generation of electronic radon monitors. Engineered, Designed and Manufactured in the USA 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