BRK Interconnect Hardwire Smoke Alarm with Battery Backup Size:120 V With the Miracle-Gro Garden Feeder:

With the Miracle-Gro Garden Feeder:

Lock and finish backed by limited lifetime warranty (Oil-Rubbed Bronze exempt from finish guarantee)

The hitch pin fits 2 in

CANTEX 5233830 is a 3 in

Reversible belt hook included

BRK Interconnect Hardwire Smoke Alarm with Battery Backup Size:120 V With the Miracle-Gro Garden Feeder: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