DAHUA WIRELESS SIREN
DAHUA WIRELESS SIREN
- Inventario en el camino
ARA12-W2(868)
Wireless siren
> Low battery alarm.
> Temperature measurement.
> Frequency hopping function and two-way communication technology
> Cloud update and automatic recovery from update failure.
- Specifications
- Accessories
- Download
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 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)
Measuring Precision
± 1 °C (± 33.8 °F)
Resolution
1 °C (33.8 °F)
Audio/Video Parameter
