Two-way RF communicationProvides multiple LED colors to indicate different statusesCloud update and automatic recovery from update failureOffers accidental press preventionIP54 ratedFunctionIndicator Light : 1 for multiple statuses (pairing, communication, and operation)Remote Update : Cloud updateButton : 2Signal Strength : YesLow Battery Detection : YesBattery Level Display : Displays battery level on appWirelessCarrier Frequency : 868.0 MHz–868.6 MHzCommunication Distance : Up to 1,400 m in an open spaceCommunication Mechanism : Two–wayEncryption Mode : AES128Frequency Hopping : YesGeneralOperating Temperature : –10 °C to 55 °C (indoor)Operating Humidity : 10%–90% (RH)Power Supply : 1 × CR2032Battery Life : 5 years (if used twice a week)Product Dimensions : 55 mm × 36 mm × 14.2 mm (L × W × H)Packaging Dimensions : 95 mm × 59.5 mm × 30.5 mm (L × W × H)InstallationWall mount; portableNet Weight : 18 gGross Weight : 48 gCertifications : CECasing Material : PC ABSProtection : IP54TechnicalOperating Current : 28 mATest Mode : Yes SKU: ARD822-W2 Categories: Security Alarm, Home Security
