BRK 1046870 Interconnect Hardwire 2-in-1 Smoke & CO Alarm with Battery Backup Style:Battery Operated two patented twin-swivel snaps that

two patented twin-swivel snaps that virtually eliminate tangling

lockable stacking cases

NO PRE-DRILLING REQUIRED: Hole can be pre-drilled if desired

Potato Starch

Rotary Percussion - Straight Shank Features:

BRK 1046870 Interconnect Hardwire 2-in-1 Smoke & CO Alarm with Battery Backup Style:Battery Operated two patented twin-swivel snaps thatInterconnect Hardwire Combination Smoke & Carbon Monoxide 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. Smart Interconnect, interconnects with most First