First Alert Battery Operated 3V Photoelectric/Ionization Dual-Sensor Smoke & Fire Alarm Auto-Sensing Switches Jet blasts up to 22

Jet blasts up to 22 feet away

comes with metal snap on collar for drive in

For metal & galvanized pipe up to 18 gauge

The diamond-knurled grip helps you hang on to it in tight spots

Shock-absorbing bumpers help reduce the jarring conclusion at the end of cuts

First Alert Battery Operated 3V Photoelectric/Ionization Dual-Sensor Smoke & Fire Alarm Auto-Sensing Switches Jet blasts up to 22Photoelectric & Ionization sensor Dual sensors and nuisance resistance utilizes 2 technologies to decipher between flaming and smoldering fires Single button silences and tests Battery powered, battery included Easy to install 10 year limited warranty