Dahua ARA12-W2(868) Wireless Siren

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Brand New & Sealed with Manufacturer Warranty

Dahua ARA12-W2(868) Wireless Siren

Wireless 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.

Specifications:

Indicator Light: 1 × green alarm indicator

Button: 1 × power button

Tamper Alarm: Yes

Remote Upgrade: Cloud update

Test Mode: Yes

Low Battery Alarm: Yes

Search: Signal strength detection

Carrier Frequency: 868.0 MHz—868.6 MHz

Transmitter Power (EIRP): Limit 25 mW

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

Power Supply: 2 × CR123A batteries

Power Consumption: Max. 240 mW

Operating Temperature: —10 °C to +55 °C (indoor)

Operating Humidity: 10%—90% (RH).

Product Dimensions: 81.0 mm × 81.0 mm × 26.0 mm

Installation: Bracket mount

Gross Weight: 175 g

Certifications: 

• CE
• EN 50131-1:2006+A1:2009+A2:2017+A3:2020
• EN 50131-4:2019
• EN 50131-6:2017
• EN 50131-5-3:2017
• Security Grade 2
• Environmental Class II

Battery Life: 2.5 years in working status (triggered twice every week and alerts 120 s for each triggering)

Sound Pressure: 

• Volume high 84 db (A )1 m
• Volume medium 78 db (A)1 m

Casing: PC + ABS

Measuring Range: —15 °C to +65 °C (indoor)

Measuring Precision: ± 1 °C

Resolution: 1 °C

Volume Adjustment: 3 volumn levels