BRK Interconnect Hardwire Smoke Alarm with Battery Backup Cove Base professional strength adhesion promoter that

professional strength adhesion promoter that bonds old concrete & new concrete

Includes: 1 Each Of The Following: 1-1/4" Cut-Off Wheel

The high-quality hook and loop provides a secure connection and fast grit swaps

magnetic mounting and up to 200 hours of battery life

This combination alarm includes power LED and alarm indicator

BRK Interconnect Hardwire Smoke Alarm with Battery Backup Cove Base professional strength adhesion promoter thatDirect 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