(3 pack) Knox Safety Plugin Carbon Monoxide Detector, Voice Alert & LCD Display, 10-Year Battery Backup

Knox Safety Plugin Carbon Monoxide Alarm TRIO Warning System - Alerts, Informs and Directs you in an Emergency Voice Alerts - Provide Detailed Instructions and Directions Intelligent Display - Clearly Communicates Warning and Notifications Multi-Language Alarm - Alerts in English or Spanish at the Push of a Button 10-Year Never Replace Battery backup - Lasts the life of the alarmYou may also like (2 pack) Knox Safety Battery Operated Carbon Monoxide Detector, Voice Alert & Display, 10-Year Lithium Power.