SITERWELL GS509A Smoke Detector with Photoelectric Sensor, 10-Year Product Life,
SITERWELL GS509A Smoke Detector with Photoelectric Sensor, 10-Year Product Life, Magnetic Fastening Kit, Low Battery Warning, 85 dB Alarm, Battery Powered. SITERWELL, GS509A. Installation is simplified with a magnetic fastening kit that allows secure mounting on walls or ceilings and easy removal for maintenance.