China Standalone Smoke&Heat Detector with Hush Function for Home Security

Standalone Smoke&Heat Detector with hush function for Home security

Photoelectric Smoke & Heat Alarm
SR-820D Series
SR-820DHS Independent Photoelectric smoke & heat alarm
SR-820DHM-AC Wireless interconnected photoelectric smoke &heat alarm
SR-820DHR Wireless photoelectric smoke &heat alarm
SR-820DHW-AC Wireless interconnection photoelectric smoke &heat alarm
Please note:There are four types of this product, Please leave a message to us the type you want,thank you !

Technical specification:

Model No.

SR-820DHS

SR-820DHM-AC

SR-820DHR

SR-820DHW-AC

Operating voltage

9V battery

AC110/220V(9V backup battery)

9V battery

AC110/220V(9V backup battery)

Interconnection

N/A

Up to 40 pc smoke detectors

N/A

Install within the radius of 200 m

Code form

N/A

N/A

2262/1527

2262

Sending frequency

N/A

N/A

433MHz

433MHz

Radio distance

N/A

N/A

200 m(open area)

200 m(open area)

Alarm temperature

57ºC

Sensitivity

2.06%ft±1.3%ft

Sound level

85dB/3m

Installation

Wall or Ceiling mounted

Working environment

-10ºC~+50ºC(≤95%RH No congelation)

Dimension

128*38mm

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