10-Year 100% Battery-Powered Carbon Monoxide + Natural Gas Alarm

2-in-1 Carbon Monoxide & Natural Gas detection DeNova Detect Early Warning Technology™ 10-year battery and product service life 100% Battery-Powered alarm mounts close to ceiling where natural gas accumulates first and follows proper alarm placement to meet NFPA 715 guidelines  11 minutes more escape time. Our low level natural gas alarm threshold of 10% LEL alerts to emergencies earlier on average than competitors’ higher 25% LEL threshold. Validated by Fire & Risk Alliance Voice Alerts in English & Spanish announce warnings of natural gas and carbon monoxide leaks Self-diagnostics provide peace of mind by ensuring all internal systems are functional, and alerts will be provided if an error occurs Micro-Electromechanical System (MEMS) sensor technology provides accurate and faster detection of explosive natural gas leaks than traditional type sensors found in plug-in alarm Virtually eliminates false alarms caused by harsh household chemicals, such as laundry detergent, disinfectant spray, aerosol hairspray, furniture polish, among others. Validated by GTI testing ETL Listed to UL 1484 & UL 2034 CSFM-California State Fire Marshall Listed