Dahua PIR Outdoor Triple-Tech Detector ARD2251E-W2
$55.27
$76.83
Support anti-masking detectionSupport moving detection to prevent someone move or detach deviceSupport the installation of camera modules to form PIR-Cam to implement video verificationPet immunity: up to 80 cm, 40kgSupport environment temperature monitoringSupports two-way communication and frequency hopping to make communication with alarm hub stable and reliableFeatures cloud update. You can also remotely update the device on the mobile app Offers a dual backup system, and uses auto recovery when an update fails—FunctionIndicator Light : 1 × green alarm indicatorButton : 1 × power switch / 1 × detection range adjustment switchRemote Update : Cloud updateLow Battery Detection : YesTamper : Tamper alarmMoving detection : YesTechnicalDetection Mode : PIR MicrowaveSensitivity : PIR: 3 levels adjustableDetection Range : Angle:90° / Range:15 m, the installation height is 1 mDetection Speed : 0.3 m/s–2 m/sMicrowave Frequency : 24 GPet Immunity Level : <80 cm, about 40 kgWhite Light Resistance Level : 10,000 luxAnti-masking : YesTwo-way Digital Temperature Compensation : YesScenario : Outdoor, indoorOperating Current : 20 uAAlarm Current : Without Camera: 26mA (Avg); 250 mA (Max) / With Camera in Night: 380 mA (Avg); 1.5 A (Max)WirelessCarrier Frequency : 868.0 MHz–868.6 MHzTransmitter Power (EIRP) : Limit 25 mWCommunication Mechanism : Two-wayCommunication Distance : RF: Up to 1,600 m in an open spaceEncryption Mode : AES128Frequency Hopping : YesGeneralPower Supply : CR123A × 4Battery Life : Without Camera: 5 years (triggers 10 alarms a day) / With Camera: 3.5 years (triggers alarms twice a week)Operating Temperature : –25 °C to 60 °C Operating Humidity : 10%–90% (RH)Product Dimensions : 211 mm × 106 mm × 94 mm Installation Height : 0.8 to 1.3 mNet Weight : 651 gGross Weight : 890 g Installation : Wall mount, pole mountCasing Material : PC GFProtection : IP66Certifications : CEAnti-corrosion Level : Basic ProtectionStorage Temperature : –25 °C to 60 °C Packaging Dimensions : 251 mm × 116 mm × 119 mm —
