SITERWELL Smoke Detector, 10 Year Smoke Alarm with Photoelectric Sensor and Built-in Battery, Fire Detector with Low Battery and Fault Warning for House and Bedroom, UL Listed, GS526A, 2 Packs - Amazon.com
First Alert 10-Year Battery-operated Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com
SITERWELL Smoke Detector, 10 Year Smoke Alarm with Photoelectric Sensor, Fire Detector with Low Battery and Fault Warning for House and Bedroom, UL Listed, GS526A, 2 Pack - Walmart.com
SITERLINK Smoke Detectors 10-Year Battery Operated, Photoelectric Sensor Smoke Alarm with Test-Silence Button, UL Listed Fire Alarms Smoke Detectors with LED Lights for Home, GS526A (4 Pack) - Amazon.com