Main Power Smoke Alarm

Product Model: TSS890A/B-HI

Product parameter

Power supply: AC 220V-240V 50Hz, with DC 9V alkaline battery backup Conform to EN14604:2005/AC:2008
Alarm volume: ≥85dB at 3m Big test button for easy weekly testing
Silence function: Approx.8 mins Low battery signal alarm
Product life time > 10 years  Wired interconnection up to 40pcs 

Automaic compensation design with automatic calibration for accurate sensitivity,
    suitable for long life operation, lower false alarm rate

Push base for easy installation 
Size: Φ140mm * 44.9mm