Gentex 9120F, P/E Smoke Detector, 120VAC w/Piezo Sounder, Form A/C Contacts, 9V Backup
Brand: Gentex

Photoelectric smoke alarm with patented 3-position test switch. Applications include residential and commercial residential occupancies.

For use with your Sensaphone Remote Monitoring System
Battery back up for reliability
Use less wire with tandem installation option
Dimensions: 6 1/2" diameter x 2 5/8" H
Warranty: 1 year, limited