Product Description: Ensure maximum safety and strict ADA compliance with the Gentex 7139LS Photoelectric Smoke Alarm. Designed for both residential and commercial applications, this unit features a powerful 177Cd strobe light and a loud 85dBA audible alarm to provide reliable early warning of smoke. It is exceptionally easy to install, plugging directly into a standard 120V outlet using the attached 9-foot line cord, and utilizes a 9V battery back-up for uninterrupted protection during power outages. Additional premium features include a patented 3-position test switch, a self-restoring circuit, and the Easy Wash on-site maintenance program.
Product Details:
- Brand: GENTEX CORPORATION
- Model Number: 7139LS (Series 7109/7139)
- Part Number: 917-0018-002
- UPC: 700217014554
- Condition: New in box
- Power Source: 120VAC via 9-foot line cord, with 9VDC battery back-up
- Strobe Rating: 177Cd (ADA Compliant, ANSI/UL 1971)
- Audible Alarm: Piezo horn, meets or exceeds 85dBA at 10 feet
- Mounting: Universal mounting on single gang, double gang, or 4″ square boxes (Wall/Ceiling)
- Country of Origin: Assembled in USA













