2-in-1 alarm that provides double the protection with a single installation to protect against carbon monoxide and natural gas;120-volt AC/DC hardwired alarm with backup battery is suitable for houses, apartments and mobile homes;Mount the bracket to any standard wiring junction box and use the large mounting base to cover imperfections in drywall;Features a quick activation pull-tab and a front-loading battery drawer for replacement without removing the alarm from the bracket;Comes with a 7 year limited warranty

• USI Electric MDS107 Universal Smoke Sensing (IoPhic) Hardwired Smoke and Fire Alarm with Battery Backup
• classic white

USI Electric MDS107 Universal Smoke Sensing (IoPhic) Hardwired Smoke and Fire Alarm with Battery BackupUniversal Security Instruments