Dahua DHI-HY-SA21A-W2(868) smoke detector

The Dahua DHI-HY-SA21A-W2(868) wireless smoke detector provides battery-powered smoke detection and alarm functions in a single unit.

State-of-the-art electronics in conjunction with a photoelectric smoke detection chamber provides smoke detection and high immunity against unwanted alarms. The Dahua DHI-HY-SA21A-W2(868) wireless smoke detector does not require MAINS power and is suitable for general residential applications.

Timely notification of the smoke detector can be displayed on the DMSS app in real time.

Characteristics Dahua DHI-HY-SA21A-W2(868) smoke detector:

• Photoelectric smoke detector

• 10-second sampling period

• Coverage area of 20~40 m2 (at a height of less than 8 meters)

• Alarm for smoke detection, failure and low battery

• Visual and audible alarm

• Alarm volume from 85dB ~90dB(A) to 3 meters

• Silent mode lasting approximately 12 minutes

• 0.2 ~0.3 dB/m alarm response threshold

• Two-tone led indicator

• 868~868.6MHz Two-Way Radio Communication

• Radio range up to 1 km in free field

• Frequency hopping

• AES128 encryption mode

• Powered by 3 CR123A lithium batteries (lifespan up to 3 years)

• Consumption: ≤35 μA (monitoring), ≤35 mA

• Operating temperature -10°C ~ +55°C

• Relative humidity of ≤95%

• Indoor operating environment

• ABS plastic housing

• White

• Dimensions: Ø98 x 43.1 mm

• Weight: 140g

• Ceiling mounting