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