First Alert BRK Hardwired (with Battery Backup) Ionization Interconnected Combination Smoke and Carbon Monoxide Detector 6-Pack Item #5401680 | Model #93MCLG 60 uniform energy factor makes

60 uniform energy factor makes this one of the most efficient gas water heaters available

pipe insertion depth equal 15/16 in

COMPLETE CHALLENGING PROJECTS using DCD805 with up to 40% more UWO vs the DCD796B using DCB205 battery or DCBP034 DEWALT POWERSTACK™ battery (sold separately)

pumping down the unit is a thing of the past

First Alert BRK Hardwired (with Battery Backup) Ionization Interconnected Combination Smoke and Carbon Monoxide Detector 6-Pack Item #5401680 | Model #93MCLG 60 uniform energy factor makes120V AC DC Interconnectable Ionization Smoke & CO Alarm w Replaceable 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