Dahua ARD2231-W2(868)

Airshield Wireless Alarm Dual-Tech PIR/Microwave Detector

Wireless indoor PIR motion detector combined with microwave sensor for enhanced false-alarm filtering, up to ~12m detection range, pet immunity, White

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Key Features

  • Wireless dual-tech motion detector combining PIR and microwave detection technologies
  • Detection range up to 12m; 90° coverage for reliable indoor area protection
  • Pet immunity reducing false alarms from animals up to 18kg
  • Automatic temperature compensation maintaining detection performance in varying conditions
  • Three-level sensitivity adjustment for flexible installation environments
  • Dual detection technology reducing false alarms caused by thermal interference
  • Built-in temperature monitoring with overheating alarm support
  • Tamper protection and low battery detection for reliable system monitoring
  • Two-way wireless communication with frequency hopping ensuring stable transmission
  • AES128 encryption protecting secure wireless communication
  • Wireless communication range up to 1600m in open space for flexible deployment
  • Cloud update support with automatic recovery ensuring system reliability
  • Battery-powered using CR123A providing long-term operation
  • Compact design suitable for discreet indoor installation
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