Two-way talk via RF transmission.High-decibel alarm sound.Multiple alarm sounds: Fire, medical, intrusion, panic, and more.Configurable arming/disarming prompt sound and LED indicator.Supports panic button.Offers voice talk through the app and SIP.Suitable for the ARC3800H series only, excluding the ARC3000H and ARA43 series.—PortMicrophone : YesVideo & AudioTwo-way Audio : YesFunctionButton : 1 × panic button, 1 × power buttonBuzzer : YesRemote Update : Cloud updateLow Battery Detection : YesTamper : YesTechnicalLED Indicator : Red, blue and green indicatorsScenario : IndoorOperating Current : 1.5 A (Max), 20 uA (Standby) (Battery 3V); / 0.4 A (Max), 1.5mA (Standby) (DC 12V)Sound and Light Alarm : YesSound Pressure : Volume high 100db (A )1 m / Volume minimum 77.6 db (A)1 mWirelessCarrier Frequency : 865.34 MHz–868.60 MHzTransmitter Power (EIRP) : Limit 25 mWCommunication Mechanism : Two-wayCommunication Distance : 1600m（alarm transmission），1000m（intercom）Encryption Mode : AES128Frequency Hopping : YesGeneralPower Supply : 4 × CR123A battery/9-15 VDCBattery Model : CR123AStandby Time : 3 years (when triggered once every 2 weeks and alarms for 120 sec).Power Consumption : 4.5 W (Max), 0.4 mW (Standby)Operating Temperature : -10 °C to 55 °C ( 14 °F to 131 °F) (indoor)Operating Humidity : 10%–90% (RH)Product Dimensions : 133.0 mm × 133.0 mm × 35.5 mm (5.24" × 5.24" × 1.40"）Net Weight : 377 g (0.83 lb)Gross Weight : 507 g (1.12 lb)Installation : Wall mountCasing Material : PC ABSAppearance Color : WhiteCertifications : CE / EN 50131-1:2006 A1:2009 A2:2017 A3:2020 / EN 50131-4:2019 / EN 50131-6:2017 A1:2021 / EN 50131-5-3:2017 / Security Grade 2 / Environmental Class IIAnti-corrosion Level : Basic ProtectionStorage Temperature : –10 °C to 55 °C ( 14 °F to 131 °F)Storage Humidity : 10%–90% (RH)Packaging Dimensions : 170 mm × 166 mm × 55 mm (6.69" × 6.54" × 2.71"）—
