Same trusted DeNova Detect alarm as #5472631, in easy to open, contractor-friendly packaging.. 10-Year Battery Life: Enjoy long-lasting peace of mind with our alarm's 10-year battery (included), providing uninterrupted protection for less than 3 cents a day.. Certified Excellence ...Same trusted DeNova Detect alarm as #5472631, in easy to open, contractor-friendly packaging..
10-Year Battery Life: Enjoy long-lasting peace of mind with our alarm's 10-year battery (included), providing uninterrupted protection for less than 3 cents a day.. Certified Excellence: ETL tested to UL1484 standards, and meets NFPA715 proper placement guidelines, so you can trust in our alarm's certified safety standards.. Life-saving Efficiency: Detect natural gas (methane) leaks early with a 10% LEL alarm threshold, enabling faster response times and potentially saving lives..