China Smoke alarm manufacturer AC 220V DC 9V RF Wifi NB-IOT photoelectric hardwire somke alarm factory and manufacturers

Smoke alarm manufacturer AC 220V DC 9V RF Wifi NB-IOT photoelectric hardwire somke alarm

Photoelectric hardwired smoke alarm

Power supply: AC 220V-240V 50Hz, with DC 9V alkaline battery back up

Conform to EN14604:2005IAC:2008

Alarm volume: ≥85dB at 3m

Big test button for easy weekly testing

Silence function: Approx.8 mins

Low battery signal alam

Product life time > 10 years

Automatic compensation design with automatic

calibration for accurate sensitivity,suitable for long lifeoperation, lower false alam rate

Push base for easy installation

Size:φ140mm * 44.9mm

RF type:

Wired interconnection up to 40pcs

RF module, 433MHz, wireless interconnection up to 40pcs

Wifi type:

WIFl module inside, connect to TUYAapp

Go West, Go East, Go Yuanky is best.

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