Smoke/CO Combo Detector

BRK® hardwired combination smoke/carbon monoxide alarms are designed to be easy to install, easy to maintain, and quality-engineered for years of virtually maintenance-free service. The full line includes models with Contractor preferred features like silence buttons, battery compartment locks, "Quick-Connect" wiring harnesses and keyhole slots in the mounting bracket for easy installation. All BRK Smoke/CO Alarms: Meets both UL 217 & UL 2034 standards - single and multiple station smoke & carbon monoxide alarms. UL mandated repeating alarm horn patterns (85 dB)-3 beeps, pause, 3 beeps and 4 fast beeps, pause, 4 fast beeps and have a 5-Year Limited Warranty