-. Brand : BRK
-. Feature : 120V AC with battery backup / Side load battery drawer / Tamper resistant locking pins - Universal mounting bracket / Test/silence button / Latching alarm indication
-. Label : First Alert Brk
-. Manufacturer : First Alert Brk
-. MPN : 9120B
-. PackageQuantity : 8
-. PartNumber : 9120B
-. ProductGroup : Home Improvement
-. ProductTypeName : SECURITY_ELECTRONICS
-. Publisher : First Alert Brk
-. Studio : First Alert Brk
-. Title : First Alert 9120b 120 Volt Hardwired Smoke Alarm With Battery Back Up