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 ร green alarm indicator |
Button | 1 ร 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 โ 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 ร CR123A batteries |
Power Consumption | Max. 240 mW |
Operating Temperature | โ10 ยฐC to +55 ยฐC (+14 ยฐF to +131 ยฐF) (indoor) |
Operating Humidity | 10 %โ90 % (RH) |
Product Dimensions | 81.0 mm ร 81.0 mm ร 26.0 mm (3.19″ ร 3.19″ ร 1.02″) (L ร W ร H) |
Packaging Dimensions | 135.0 mm ร 98.5 mm ร 56.8 mm (5.31″ ร 3.88″ ร 2.24″) (L ร W ร 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 | โฅ 105 ยฑ 3 dB \ 1M |
Casing | PC + ABS |
Temperature Measuring Range | โ15 ยฐC to +65 ยฐC (+18.8 ยฐF to +149 ยฐF) (indoor) |
Temperature Measuring Range | โ15 ยฐC to +65 ยฐC (+18.8 ยฐF to +149 ยฐF) (indoor) |
Measuring Precision | ยฑ 1 ยฐC (ยฑ 33.8 ยฐF) |
Resolution | 1 ยฐC (33.8 ยฐF) |
Audio / Video Parameter | |
Volume Adjustment | 3 volume levels |