SIREN WRL INDOOR/868MHZ ARA12-W2 DAHUA

- Signal strength detection.
- Low battery alarm.
- Temperature measurement.
- Frequency hopping function and two-way communication technology
- Cloud update and automatic recovery from update failure.
- Carrier Frequency: 868.0 MHz–868.6 MHz
- Communication Distance: Up to 1,000 m in an open space, two-way
- Encryption Mode: AES128
- Power Supply: 2 × CR123A batteries
- Operating Temperature: –10 °C to +55 °C, indoor only
- Battery Life: 2.5 years in working status (triggered twice every week and alerts 120 s for each triggering)
- Sound Pressure: ≥ 105 ± 3 dB1M
- Temperature Measuring Range: –15 °C to +65 °C
- Product Dimensions: 81.0 mm × 81.0 mm × 26.0 mm