Dahua DHI-HY-SA21A-W2(868). Dahua radio smoke detector. Split spectrum sensor. Test and silence function in one button. Sound output of 85 dB(A) at 3 m. Low consumption at rest. Low battery warning. surface mount Wireless smoke alarm.

• 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) at 3 meters

  Silent mode with a duration of around 12 minutes

  0.2 ~ 0.3 dB/m alarm response threshold

  bicolor led indicator

  868 ~ 868.6 MHz two-way radio communication

  Radio range up to 1 km in open field

  frequency hopping

  AES128 encryption mode

  Powered by 3 CR123A lithium batteries (shelf life up to 3 years)

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

  Operating temperature -10°C ~ +55°C

  Relative humidity of ≤95%

  indoor use environment

  ABS plastic shell

  White color

  Dimensions: Ø98 x 43.1mm

  Weight: 140g

  ceiling mount

- DAHUA-9288