First Alert Brk Hardwired Combination Smoke and Carbon Monoxide Detector Item #836885 Model #607001 BITURBO Brushless Technology is a

BITURBO Brushless Technology is a high-performance motor and drive-train system designed to deliver power comparable to high-demand corded tools

allows for safer/faster work in poorly lit environments

The white grille features a built-in

Per cartridge: Fine spray covers up to 100 sq

through-the-furnace downflow venting

First Alert Brk Hardwired Combination Smoke and Carbon Monoxide Detector Item #836885 Model #607001 BITURBO Brushless Technology is aThe BRK SC9120 hardwire combination smoke and CO alarm with battery backup includes these features: quick plug in power connector for easy installation, 120 volt AC inter connectible (with maximum 18 compatible devices 12 other compatible smoke alarms + 6 compatible devices like bells, horns, repeaters and door closers. If one unit triggers an alarm, all smoke alarms in the series will sound. Single test silence button which both silences a non