USI Electric® Direct Wire Ionization Smoke Alarm
- USI Electric Direct Wire Ionization Smoke Alarm
- AC
- One 9V Battery Backup
- Silence / Test Button
- LED Power Indicator
- Tamper Resistant
- Patented Smart Alarm Technology Virtually Eliminates Nuisance Alarms
- Ionization Alarms May Detect Fast Flaming Fires Sooner Than Photoelectric Alarms
- Base Diameter: 5-5/8″
- 10-Year Limited Warranty
- Mfg #MI106
