BRK Interconnect Hardwire Smoke Alarm with Battery Backup Size:120 V Plate dimensions: 4" x 4-1/2"

Plate dimensions: 4" x 4-1/2"

The coarse tooth saw blade has larger teeth for aggressive cutting

for converting jaw type lube couplers to seal needle points

performance and value

BRK Interconnect Hardwire Smoke Alarm with Battery Backup Size:120 V Plate dimensions: 4" x 4-1/2"Direct wire in with 9V battery backup. Hardwired with battery backup for protection during power outages. Perfect mount for easy installation. Mounting bracket keeps the alarm secure over a wide rotation range for ideal alignment. Latching alarm indicator, visually identifies unit that initiated alarm or low battery. Interconnects with most First Alert and BRK hardwired alarms. When one alarm sounds, all compatible alarms sound (up to 12 smoke alarms