SKU:DHI-ARA12-W2
Dahua DHI-ARA12-W2 Alarm Wireless Indoor Siren
Login to buyWireless siren
- Signal strength detection.
- Low battery alarm.
- Temperature monitoring.
- Frequency hopping function and two-way communication technology ensure communication stability.
- Cloud update and automatic recovery from update failure.
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Vendor:
Dahua
- Description
Product Overview
The Dahua DHI-ARA12-W2 is a wireless indoor siren for Dahua's AirShield alarm platform — a compact, battery-powered sounder that pairs with a compatible Dahua alarm hub over an encrypted, frequency-hopping 433MHz link. Because it's wireless, it goes up anywhere inside the property without running cable back to the panel, making it a straightforward way to add an internal alarm point or extend coverage to a second room or level.
Built-in tamper detection, signal-strength monitoring and a low-battery alert via the Dahua DMSS app mean you know the siren is healthy before you need it, not after. Supplied directly through Total Security Equipment.
Key Capabilities
Fully Wireless Install
No cabling required — mount it anywhere indoors within range of the alarm hub.
Encrypted, Long-Range Link
Two-way, frequency-hopping 433MHz communication with AES-128 encryption and a long open-space range.
Tamper & Health Monitoring
Built-in tamper detection, signal-strength check and low-battery alerts via the Dahua DMSS app.
Long Battery Life
Runs on 2 × CR123A batteries rated for approximately 2.5 years of typical use.
Best For
Add an audible siren to a second room, level or building without running cable.
A battery-powered, bracket-mounted siren suits properties where cabling isn't practical.
A genuine Dahua accessory to expand an existing AirShield wireless alarm install.
Why Choose This Siren
This is a genuine Dahua AirShield accessory, so it pairs cleanly with a compatible Dahua alarm hub without the reliability compromises of a generic aftermarket sounder. Encrypted two-way communication and frequency hopping keep the link resistant to interference, and because it self-reports tamper events, signal strength and battery health back to the hub and the DMSS app, you get an early warning if anything needs attention rather than finding out during an alarm event. Available from Total Security Equipment.
Buyer Decision Tips
Key Features & Technical Specifications
| Model SKU | DHI-ARA12-W2 |
| Product Type | Wireless indoor siren (Dahua AirShield platform) |
| Sound Output | ≥84dB to ≥105dB (±3dB) at 1m — sources conflict significantly, confirm exact rating with our team |
| Volume Control | 3 adjustable levels |
| Operating Frequency | 433.1–434.6MHz |
| Communication | Two-way, frequency hopping, AES-128 encryption |
| Range | ≈800–1,000m in open space (figure varies by source — confirm with our team) |
| Battery | 2 × CR123A batteries |
| Battery Life | ≈2.5 years typical (triggered twice weekly, 120s alert each time) |
| Power Consumption | Max. 230mW |
| Dimensions | 81mm × 81mm × 26mm |
| Weight | ≈105g |
| Housing | PC + ABS plastic |
| Mounting | Indoor wall/bracket mount |
| Operating Temperature | -10°C to +55°C, indoor use, 10–90% humidity |
| Other Sensors | Built-in temperature measurement, tamper alarm, signal strength detection |
| Compatibility | Dahua AirShield wireless alarm hubs (e.g. ARC3000H series) and the Dahua DMSS app — confirm hub compatibility with our team |
| Warranty | ≈3-year manufacturer warranty (back-to-base) — confirm current term with our team |
Ideal Use Cases
Second Room or Level
Extend audible alarm coverage upstairs, in a garage, or in a separate living area.
Rental & Leased Properties
Battery-powered and wireless, so it goes up without drilling for cable runs.
AirShield System Expansion
Add or replace an internal sounder on an existing Dahua AirShield installation.
Multi-Zone Deterrence
Multiple indoor sirens create a louder, more disorienting response for an intruder.
FAQs
1. Will this work with any alarm panel?
No — this siren is built for Dahua's AirShield wireless alarm platform and pairs with a compatible Dahua hub, such as the ARC3000H series. It is not a universal siren for other brands. Check with our team if you're unsure whether your existing system is compatible.
2. Is this suitable for outdoor use?
No — this is an indoor-only siren. If you need an external siren, ask our team about a weatherproof outdoor option.
3. How loud is it?
Reported figures vary — Dahua's own datasheet states ≥105dB at 1m, while some reseller listings state ≥84dB. Given the meaningful difference, please confirm the exact rating with our team before relying on it for a specific application.
4. How long does the battery last?
It runs on 2 × CR123A batteries, rated for approximately 2.5 years under typical use (triggered twice a week, alarming for 120 seconds each time). A low-battery alert is sent via the Dahua DMSS app before it needs replacing.
5. Where can I buy this siren in Australia?
It's available directly from Total Security Equipment.
Additional Information
Melbourne HQ
26 Davies Ave., Sunshine North, VIC 3020
03 9079 5566
Sydney Branch
38 Lisbon St., Fairfield East, NSW 2165
02 8722 0348
Ordering & Support
- Australia-wide shipping
- Genuine Dahua stock
- Trade accounts and volume pricing
- Phone support on hub compatibility
- Download Spec Sheet
Not sure if this siren matches your alarm hub, or how loud you actually need it to be? Call our Melbourne team on 03 9079 5566 or Sydney on 02 8722 0348 — describe your setup and we will tell you honestly what fits.
