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ARA12-W2(915) new-products

Dahua Wireless Siren

> Signal strength detection.

> Low battery alarm.

> Supports temperature monitoring.

> Offers frequency hopping and two-way talk technology, ensuring the stability of communication.

> Cloud update and automatic recovery from update failure.

  • Specifications
  • Accessories
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  • Function

    Indicator Light

    1 × green alarm indicator

    Button

    1 × power button

    Remote Update

    Cloud update

    Low Battery Detection

    Yes

    Tamper

    Yes

    Technical

    Test Mode

    Yes

    Operating Current

    3 VDC 1.5 A (max)
    3 VDC 80 uA (standby)

    Sound Pressure

    ≥ 105 ± 3 dB@1 m

    Wireless

    Carrier Frequency

    915 MHz–928 MHz

    Transmitter Power (EIRP)

    Limit 1 W

    Communication Mechanism

    Two-way

    Communication Distance

    Up to 1,000 m (3,280.84 ft) in an open space

    Encryption Mode

    AES128

    Frequency Hopping

    Yes

    General

    Power Supply

    2 × CR123A batteries

    Power Supply Type

    Type C

    Battery Model

    CR123A

    Battery Life

    Lasts for 2.5 years if alarms are triggered every two weeks, with each alarm sounding for 120 seconds.

    Power Consumption

    4.5 W (max)
    0.24 mW (standby)

    Operating Temperature

    –10 °C to +55 °C (+14 °F to +131 °F) (indoor)

    Operating Humidity

    10%–90% (RH)

    Product Dimensions

    81.0 mm × 81.0 mm × 26.0 mm (3.19" × 3.19" × 1.02") (L × W × H)

    Net Weight

    105 g (0.23 lb)

    Gross Weight

    175 g (0.39 lb)

    Installation

    Bracket mount

    Casing Material

    PC + ABS

    Packaging Dimensions

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