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The Dahua DHI-ARA13-W2 (868 MHz) Wireless Indoor Siren provides loud, reliable alerts for alarm events, including intrusion, fire, and other danger warnings. Featuring two-way wireless communication, frequency hopping, and AES128 encryption, it ensures stable, secure operation. With cloud updates, tamper detection, and low battery alarm, this siren is ideal for villas, apartments, shops, and other indoor spaces.
The Dahua Wireless Indoor Siren (868 MHz) is a compact, high-performance alarm device designed to alert occupants immediately when an alarm is triggered. It uses two CR123A batteries for power and can operate for up to 2.5 years under normal usage. The siren emits sound at 84 dB(A) for high volume and 78 dB(A) for medium volume at 1 meter, providing effective deterrence.
Equipped with a green LED indicator, power button, and tamper alarm, it supports cloud updates, test mode, signal strength detection, and temperature measurement for indoor environments. Its PC + ABS casing ensures durability and a clean finish, while bracket mounting allows easy installation.
wo-way wireless communication with frequency hopping for stable connection
AES128 encryption for secure signaling
Tamper detection and low battery alarm
Cloud update support with automatic restoration
Test mode for easy system verification
Loud siren: 84 dB(A) high / 78 dB(A) medium at 1 m
Indoor temperature measurement: –15 °C to +65 °C (±1 °C)
Compact, durable design with PC + ABS casing
Bracket mount installation
Carrier Frequency: 868.0–868.6 MHz
Transmitter Power (EIRP): 25 mW
Communication Distance: Up to 1,000 m (open space)
Power Supply: 2 × CR123A batteries
Power Consumption: Max 240 mW
Operating Temp: –10 °C to +55 °C
Operating Humidity: 10–90 % RH
Dimensions: 81 × 81 × 26 mm
Weight: 105 g (net), 175 g (gross)
Installation: Bracket mount
Certifications: CE, EN 50131 series
Security Grade: 2
Environmental Class: II
Battery Life: ~2.5 years (triggered twice/week, 120 s each)
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