USI Electric® Battery Operated Ionization Smoke Alarm
- USI Electric Battery Operated Ionization Smoke Alarm
- One 9V Battery Backup
- Silence / Test Button
- Tamper Resistant
- Patented Universal Smoke Sensing Technology May Provide Faster Response For Both Fast Flaming And Slow Smoldering Fires
- Patented Smart Alarm Technology Virtually Eliminates Nuisance Alarms
- Base Diameter: 5-5/8″
- 10-Year Limited Warranty
- Mfg #MDS300B/U
