RADON GAS MONITORING DEVICE (BuyRent)br br br Open 247365! (888) 344-3742 or (818) 298-3292br br In this video  we present to you (via our surveillance and security video library) information about our new products, counter-surveillance techniques, industry-news, etc.br br Join us on Facebook! (DPLSURVE)   Stay Informed!br br We have a life-time warranty guarantee on all products. (Includes parts and labor).br br Protect Your Family From Lung Cancer From Radon Gas Exposure With The Only EPA Evaluated Radon Gas Alarm. Having This Monitor in Place Will Provide You And Your Family Peace Of Mind Regarding Dangerous Radon Levels. Radon Gas In Air or Water is A Health Hazard. Over-Exposure To Radon Can Cause Lung Cancer.