Gentex Photoelectric Smoke Alarm w/ Plug-In Cord ADA Strobe & Battery Backup

The 7139LS is a 120VAC with 9VDC battery back-up photoelectric smoke alarm designed to give reliable early warning of the presence of smoke where both audible and visual alarms are required. The 7139LS a 9 ft. plug-in line cord for ease of installation in any space where a visual alarm is required. Fully insect screened.

• 120 VAC with 9VDC battery back-up
• 90dBA temporal 3-evacuation piezo horn with 3100Hz (nominal) horn frequency
• On-site washing program
• Nominal 2.5% sensitivity
• 3-position test switches
• Low or missing battery indicator
• 9 ft. plug-in line cord