Description
The Dahua DHI-ARA12-W2(868) is a wireless indoor siren designed to emit a loud alarm during security breaches. It features signal strength detection, low battery alerts, temperature monitoring, and utilizes frequency hopping with two-way communication for stable and secure operation. The device supports cloud updates and automatic recovery from update failures, ensuring continuous protection.
Key Features:
-
Signal strength detection
-
Low battery alarm
-
Temperature monitoring
-
Frequency hopping and two-way communication for stability
-
Cloud update with automatic recovery
-
Tamper alarm
-
Test mode functionality
Specifications:
-
Dimensions: 81.0 mm × 81.0 mm × 26.0 mm
-
Weight: 105 g
-
Material: Plastic housing
-
Color Options: White
-
Power Requirements: 2 × CR123A batteries; Max. power consumption: 240 mW
-
Other Specs:
-
Operating temperature: –10 °C to +55 °C
-
Operating humidity: 10%–90% RH
-
Communication distance: Up to 1,000 m in open space
-
Carrier frequency: 868.0 MHz–868.6 MHz
-
Encryption: AES128
-
Installation: Bracket mount
