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ARD2231-W2(915) new-products

Dahua Wireless Dual-Tech Detector

>Pet immunity function.
>Auto temperature compensation.
>3-level sensitivity adjustment.
>Displays the temperature of the surrounding environment and supports the overheating alarm.
>Frequency hopping and two-way communication technology ensure that communication is stable.
>Supports cloud update and automatically restores when cloud update fails.
>PIR and microwave motion detection.
>Uses RF to detect interference and supports data encryption.


  • Specifications
  • Accessories
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  • Function

    Indicator Light

    1 × green alarm indicator

    Button

    1 × power switch

    Remote Update

    Cloud update

    Low Battery Detection

    Yes

    Tamper

    Yes

    Measuring Range (Temperature)

    –15 °C to +65 °C (+5 °F to +149 °F) (indoor)

    Measuring Accuracy

    ± 1 °C (± 1.8 °F)

    Technical

    Sensor

    Dual-element low-noise PIR sensor, microwave sensor

    Detection Mode

    PIR + Microwave

    Sensitivity

    3 levels adjustable

    Detection Range

    12 m (39.37 ft) (90°) with installation height of 2.2 m (7.21 ft)

    Detection Speed

    0.3 m/s–3 m/s (0.98 ft/s–9.84 ft/s)

    Microwave Frequency

    24 GHz

    Pet Immunity Level

    Weight: ≤18 kg (39.68 lb),

    Height: <50 cm (19.68 ft)

    White Light Resistance Level

    2,000 lux

    Two-way Digital Temperature Compensation

    Yes

    Test Mode

    Yes

    Operating Current

    3 VDC, 279 mA (max)

    3 VDC, 36 uA (standby)

    Wireless

    Carrier Frequency

    915 MHz–928 MHz

    Transmitter Power (EIRP)

    Limit 1 W

    Communication Mechanism

    Two-way

    Communication Distance

    Up to 1,600 m (5,249.34 ft) in an open space

    Encryption Mode

    AES128

    Frequency Hopping

    Yes

    General

    Power Supply

    CR123A × 1

    Power Supply Type

    Type C

    Battery Life

    Lasts for 3 years if alarms are triggered 10 times a day, with a battery capacity of 80%.

    Power Consumption

    837 mW (max)

    0.108 mW (standby)

    Operating Temperature

    Indoor: –10 °C to +55 °C (+14 °F to +131 °F) Certified temperature:–10°C to +40°C (+14°F to +104 °F)

    Operating Humidity

    10%–90% (RH)

    Product Dimensions

    104.0 mm × 60.0 mm × 50.0 mm (4.09" × 2.36" × 1.97") (L × W × H)

    Net Weight

    106 g (0.23 lb)

    Gross Weight

    184 g (0.41 lb)

    Installation

    Wall mount

    Casing Material

    PC + ABS

    Anti-corrosion Level

    Basic Protection

    *The products are designed for general use and are applicable even in areas with no specific requirements for anti-corrosion protection.

    Packaging Dimensions

    135 mm × 98.5 mm × 56.8 mm (5.31" × 3.88" × 2.24") (L × W × H)