First Alert BRK Hardwired (with Battery Back-up) Ionization Interconnected Smoke Detector (6-Pack) Model #WORKPRO 16OZ WOOD CURVED CLAW HAMMER There are three wires on

There are three wires on the transmitter

Pros know that citrus solvents easily power through heavy grease and grime

without the need for test leads

Each bit is also CNC-machined for a precise fit

matte finish for easy reading in any lighting conditions

First Alert BRK Hardwired (with Battery Back-up) Ionization Interconnected Smoke Detector (6-Pack) Model #WORKPRO 16OZ WOOD CURVED CLAW HAMMER There are three wires on120V AC DC Interconnectable Ionization Smoke Alarm w Carbon Zinc Battery Backup (6 Pack) Precision Detection technology helps reduce cooking nuisance alarms and provides early warning. Interconnects with most First Alert and BRK alarms so when one sounds, all compatible alarms sound to provide an early warning Battery backup provides continuous protection during power outages Perfect mount bracket keeps the alarm secure over a wide rotation range for