Indoor Wireless Siren

The Dahua DHI-ARA12-W2(868) is an indoor wireless siren designed to emit a powerful alarm in case of security breaches. It features signal strength detection, low battery alerts, temperature monitoring, and uses frequency hopping technology with two-way communication to ensure stable and secure operation. The device supports cloud updates and automatic recovery after update failures, ensuring continuous protection.

Key Features:

• Signal strength detection

• Low battery alarm

• Temperature monitoring

• Frequency hopping and two-way communication for stability

• Cloud update with automatic recovery

• Tamper alarm

• Test mode function

Specifications:

• Dimensions: 81.0 mm × 81.0 mm × 26.0 mm

• Weight: 105 g

• Material: Plastic casing

• Color Options: White

• Power Requirements: 2 CR123A batteries; Max power consumption: 240 mW

• Other Specifications:

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

  • Operating Humidity: 10%–90% RH

  • Communication Distance: Up to 1000 m in open space

  • Carrier Frequency: 868.0 MHz–868.6 MHz

  • Encryption: AES128

  • Installation: Bracket mount