(2 pack) Knox Safety Battery Operated Carbon Monoxide Detector, Voice Alert & Display, 10-Year Lithium Power

Carbon Monoxide Alarm with verbal and visual notifications TRIO Warning System: Alerts, informs and directs you in an emergency Voice Alerts: Provides detailed instructions and directions Large LED display with alarm notification icons and detailed scrolling text Multi-Language Alarm: Alerts in both English or Spanish at the push of a button Differentiates between low and high levels of Carbon Monoxide Never Replace Battery - 10-Year Battery Lasts the Life of the Alarm Easy set up and activation 10-Year Warranty