Description
DHI-ARA12-W2(868)
Dahua Wireless Siren
Datasheet:
DHI-ARA12-W2(868)
- Signal strength detection.
- Low battery alarm.
- Temperature measurement.
- Frequency hopping function and two-way communication technology ensure communication stability.
- Cloud update and automatic recovery from update failure.
| Specification | Details |
|---|---|
| Port | |
| Indicator Light | 1 × green alarm indicator |
| Button | 1 × power button |
| Function | |
| Tamper Alarm | Yes |
| Remote Upgrade | Cloud update |
| Test Mode | Yes |
| Low Battery Alarm | Yes |
| Search | Signal strength detection |
| Wireless | |
| Carrier Frequency | 868.0 MHz – 868.6 MHz |
| Communication Distance | Up to 1,000 m (3,280.84 ft) in an open space |
| Communication Mechanism | Two-way |
| Frequency Hopping | Yes |
| Encryption Mode | AES128 |
| General | |
| Power Supply | 2 × CR123A batteries |
| Power Consumption | Max. 240 mW |
| Operating Temperature | –10 °C to +55 °C (+14 °F to +131 °F) (indoor) |
| Operating Humidity | 10 %–90 % (RH) |
| Product Dimensions | 81.0 mm × 81.0 mm × 26.0 mm (3.19″ × 3.19″ × 1.02″) (L × W × H) |
| Packaging Dimensions | 135.0 mm × 98.5 mm × 56.8 mm (5.31″ × 3.88″ × 2.24″) (L × W × H) |
| Installation | Bracket mount |
| Net Weight | 105 g (0.23 lb) |
| Gross Weight | 175 g (0.39 lb) |
| Certifications | CE |
| Battery Life | 2.5 years in working status (triggered twice every week and alerts for 120 s for each triggering) |
| Sound Pressure | ≥ 105 ± 3 dB \ 1M |
| Casing | PC + ABS |
| Temperature Measuring Range | –15 °C to +65 °C (+18.8 °F to +149 °F) (indoor) |
| Temperature Measuring Range | –15 °C to +65 °C (+18.8 °F to +149 °F) (indoor) |
| Measuring Precision | ± 1 °C (± 33.8 °F) |
| Resolution | 1 °C (33.8 °F) |
| Audio / Video Parameter | |
| Volume Adjustment | 3 volume levels |
