Description

The Dahua DHI-HY-SA21A-W2(868) is a wireless smoke alarm designed for reliable fire detection in residential and commercial settings. Equipped with split-spectrum sensor technology, it ensures early and accurate smoke detection while minimizing false alarms. Its compact design and wireless capabilities allow for flexible installation without the need for complex wiring.

Key Features:

  • Split-spectrum photoelectric sensor for enhanced smoke detection

  • Test and silence functionality via a single button

  • Loud alarm output exceeding 85 dB(A) at 3 meters

  • Low power consumption with a 3-year battery life

  • Surface-mount device (SMD) circuit board design

  • Low battery warning signal

  • Real-time alerts via Dahua DMSS mobile app

Specifications:

  • Dimensions: φ98 mm × H43.1 mm

  • Weight: 140 g

  • Material: ABS plastic

  • Color Options: White

  • Power Requirements: 3V CR123A lithium battery (replaceable), battery life up to 3 years

  • Other Specs:

    • Sensor Type: Photoelectric

    • Sampling Period: 10 seconds

    • Alarm Volume: 85–90 dB(A) at 3 meters

    • Alarm Modes: Visual (LED indicators) and audible alarms

    • Silence Duration: Approximately 12 minutes

    • Alarm Response Threshold: 0.2 dB/m – 0.3 dB/m

    • Operating Temperature: -10°C to +55°C

    • Operating Humidity: ≤95% RH (non-condensing)

    • Wireless Frequency: 868 MHz–868.3 MHz

    • Communication Distance: Up to 1000 meters in open space

    • Communication Mechanism: Two-way with frequency hopping

    • Encryption Mode: AES128

    • Certifications: TÜV and CE listed, compliant with EN 14604:2005+AC:2008

AirShield Wireless Smoke Alarm

Product form

SKU: DHI-HY-SA21A-W2(868)

40.000 JOD

    Description

    The Dahua DHI-HY-SA21A-W2(868) is a wireless smoke alarm designed for reliable fire detection in residential and commercial settings. Equipped with split-spectrum sensor technology, it ensures early and accurate smoke detection while minimizing false alarms. Its compact design and wireless capabilities allow for flexible installation without the need for complex wiring.

    Key Features:

    • Split-spectrum photoelectric sensor for enhanced smoke detection

    • Test and silence functionality via a single button

    • Loud alarm output exceeding 85 dB(A) at 3 meters

    • Low power consumption with a 3-year battery life

    • Surface-mount device (SMD) circuit board design

    • Low battery warning signal

    • Real-time alerts via Dahua DMSS mobile app

    Specifications:

    • Dimensions: φ98 mm × H43.1 mm

    • Weight: 140 g

    • Material: ABS plastic

    • Color Options: White

    • Power Requirements: 3V CR123A lithium battery (replaceable), battery life up to 3 years

    • Other Specs:

      • Sensor Type: Photoelectric

      • Sampling Period: 10 seconds

      • Alarm Volume: 85–90 dB(A) at 3 meters

      • Alarm Modes: Visual (LED indicators) and audible alarms

      • Silence Duration: Approximately 12 minutes

      • Alarm Response Threshold: 0.2 dB/m – 0.3 dB/m

      • Operating Temperature: -10°C to +55°C

      • Operating Humidity: ≤95% RH (non-condensing)

      • Wireless Frequency: 868 MHz–868.3 MHz

      • Communication Distance: Up to 1000 meters in open space

      • Communication Mechanism: Two-way with frequency hopping

      • Encryption Mode: AES128

      • Certifications: TÜV and CE listed, compliant with EN 14604:2005+AC:2008

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