Dahua ARA12-W2 Wireless Alarm Indoor Siren

Dahua ARA12-W2 Wireless Alarm Indoor Siren

The Dahua ARA12-W2 Wireless Alarm Indoor Siren provides a clear, high-volume warning when a compatible Dahua AirShield alarm system detects an intrusion or emergency event. Its compact wireless design makes it suitable for homes, offices, shops and other indoor areas where an additional audible alert is required.

Two-way communication, AES128 encryption and frequency hopping help maintain a stable connection with the alarm hub. The siren also supports tamper protection, low-battery detection and remote firmware updates for dependable day-to-day operation.

Key Features

• High-volume alarm: Delivers sound output up to 105 dB(A) on the high setting to provide a clear indoor warning.
• Stable wireless communication: Two-way communication and frequency hopping help reduce interference and maintain reliable performance.
• Encrypted connection: AES128 encryption helps protect communication between the siren and compatible alarm hub.
• Long wireless range: Communicates up to 1,000 metres in open-space conditions.
• Tamper protection: Alerts the system if the siren is interfered with or removed from its mounting position.
• Low-battery detection: Provides advance warning when the batteries require replacement.
• Remote updates: Supports cloud-based firmware updates and recovery from update failure.
• Compact installation: Bracket-mounted indoor design measuring just 81 mm × 81 mm × 26 mm.

Reliable Battery-Powered Protection

The ARA12-W2 operates on two CR123A batteries and offers an estimated battery life of up to 2.5 years under the manufacturer’s stated test conditions. With no signal cable required, it can be positioned in a suitable indoor location while maintaining communication with the Dahua alarm hub.

Technical Specifications

• Model: ARA12-W2
• Product type: Wireless indoor alarm siren
• Sound pressure: Up to 105 dB(A) on high setting
• Wireless frequency: 915 MHz–928 MHz
• Communication: Two-way wireless with frequency hopping
• Encryption: AES128
• Communication distance: Up to 1,000 m in open-space conditions
• Power supply: 2 × CR123A batteries
• Estimated battery life: Up to 2.5 years under stated test conditions
• Operating temperature: –10°C to +55°C
• Operating humidity: 10%–90% RH
• Dimensions: 81 mm × 81 mm × 26 mm
• Net weight: 105 g
• Installation: Indoor bracket mount

Expand Your Dahua Wireless Alarm System

The Dahua AirShield Hub2 supports a broad range of compatible wireless peripherals, allowing the system to grow with your property. Additional motion detectors, door contacts, panic buttons, keypads, camera detectors and sirens can be selected from our Dahua wireless alarm accessories collection.