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Dahua ARD2231-W2(868) Wireless Dual-Tech Detector

Part number: ARD2231-W2(868)
EAN: 6923172559937
€49.27 excl. VAT
60.60 incl. VAT
Availability:
4  pcs
Order within: 15h 46min

The estimated delivery time is provided by the carriers. It allows you to determine the expected date when your order will reach you.

Delivery
Tuesday 24 February 2026
€12.21
Fastest delivery
Wednesday 18 February 2026
1
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> Pet immunity function.

> Automatic 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 stable communication.

> Supports cloud updates and automatically restores when the cloud update fails.

> PIR and microwave motion detection.

> Uses RF to detect interference and supports data encryption.

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Description

The Dahua ARD2231-W2(868) is an advanced Wireless Dual-Tech Detector designed to provide robust security solutions for various applications. This model employs both PIR and microwave motion detection technologies, ensuring a high level of accuracy in detecting movement while minimizing false alarms. Its unique pet immunity function allows it to distinguish between pets and intruders, making it ideal for pet owners who seek effective security without unnecessary triggers.


Equipped with an automatic temperature compensation feature, the detector maintains consistent performance even in fluctuating environmental conditions. Additionally, it offers a 3-level sensitivity adjustment that allows users to tailor the detection parameters based on specific needs. The device can display the surrounding environment's temperature and supports overheating alarms, enhancing overall safety and reliability.


Utilising advanced frequency hopping and two-way communication technology, the ARD2231-W2(868) ensures stable communication, reducing the risk of signal interference. Furthermore, its ability to support cloud updates and automatic restoration features ensures that your system remains up to date and functional. With data encryption capabilities, the Dahua Wireless Dual-Tech Detector stands out as a reliable choice for modern security needs.


Specifications

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)

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 G

Pet Immunity Level

≤ 18 kg (39.68 lb), height< 50 cm (19.68 ft)

White Light Resistance Level

2000 lx

Two-way Digital Temperature Compensation

Yes, no attenuation of detection distance in high temperature

Test Mode

Yes

Operating Current

11 uA

Alarm Current

71 mA

Wireless

Carrier Frequency

868.0 MHz–868.6 MHz

Transmitter Power (EIRP)

Limit 25 mW

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

Battery Life

3 years (if triggered 10 times a day with a battery efficiency of 70%)

Power Consumption

Max. 615 mW

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

Certifications

CE

Anti-corrosion Level

Basic Protection

Storage Temperature

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

Storage Humidity

10%–90% (RH)

Packaging Dimensions

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

Product safety

Manufacturer's data
Name
Zhejiang Dahua Technology Co., Ltd.
Address
No. 1399 Binxing Road, Binjiang District, Hangzhou, Zhejiang, 310053, China
Website
https://www.dahuatech.com/
Responsible entity
Name
Dahua Europe B.V.
Address
Louis Braillelaan 80, 2719 EK Zoetermeer, Netherlands
Website
https://www.dahuasecurity.com/
Email
SKU: 1727271
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