BRK First Alert SMI100-AC Interconnectable Ion Smoke Alarm w/Battery Backup 12F Overall Length (cm): 18

Overall Length (cm):  18

Coax Explorer 2 tests and verifies the connections (good/open/short)

9" in length for access into tight spaces and reduced fatigue

Diameter: 1-3/8" Shank: Diablo Mandrel Length: 2-3/8"

BRK First Alert SMI100-AC Interconnectable Ion Smoke Alarm w/Battery Backup 12F Overall Length (cm): 18BRK First Alert SMI100 AC Interconnectable Ion Smoke Alarm w Battery Backup Interconnect Hardwire Smoke Alarm with Battery Backup 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.