The Gentex S1209 photoelectric smoke alarm is for use as an evacuation device in all dwelling units, including but not limited to homes, apartments, hospitals and hotels/motels. The S1209 is engineered to eliminate nuisance alarms and deliver outstanding performance wherever reliable smoke detection is required. The S1209 is listed in compliance with ANSI/UL 217.

120 VAC with 9VDC battery back-up
Temporal 3 evacuation piezo horn with a 3100Hz (nominal) horn frequency
Push button self-test feature
DUALINK feature: tandem with all Gentex tandem capable alarms
Quick disconnect wiring harness
Dust cover to prevent particle contamination during installation
Low or missing battery indicator
1 year warranty from date of purchase

Gentex Hardwired Interconnected Photoelectric Smoke Alarm with Dualink and Battery Backup