Product By Universal Security Instruments
- Includes a 9-Volt super heavy duty battery to power the alarm in the event of an AC power failure
- The convenient front-load pull-out drawer provides fast and easy battery replacement
- The alarm sounds with its loud 85 decibel horn and the red LED indicator flashes. A green LED light indicates AC power
- The mounting plate attaches to the junction box and covers drywall cutouts for easy installation
- Permanently installed semiconductor sensor means no annual replacement sensors are required