DHI-HY-SA5MB
Mains Powered Smoke Alarm with 9V 1-year Replaceable Battery Backup
> Operating Voltage: AC 100V - 250V, 50/60Hz
> Back-up Battery: Replaceable 9V alkaline
> Battery Life: about 1 year
> Sensor type: Photoelectric chamber
> Standard: EN 14604:2005, AS 3786:2014