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The Gentex 7139CS-W is a photoelectric smoke alarm designed for residential and commercial residential applications, including homes, apartments, hospitals, hotels/motels. The 7139CS-W is designed to give reliable early warning of the presence of smoke where both audible and visual alarms are required. The 7139CS-W is ANSI/UL 217 and ANSI/UL 1971 listed and is compliant with IBC/IFC Standards as well as NFPA 72.
120 VAC with 9VDC battery back-up
90dBA temporal 3 evacuation piezo horn with a 3100Hz (nominal) horn frequency
ADA compliant 177 candela strobes (ANSI/UL 1971)
On-site washing program
Nominal 2.5% sensitivity
3-position test switch
Form C contact included
Tandem interconnect with all Gentex tandem capable alarms
Low or missing battery indicator
Relays operate on battery back-up and will activate from tandem wire
Quick disconnect wiring harness
Fully insect screened
1-year warranty from date of purchase
Proposition 65 Information
WARNING: Cancer and Reproductive Harm https://www.p65warnings.ca.gov/