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Dahua DHI-ARD324-W2(S) Wireless Door Detector Plus – Smart Magnetic Contact Sensor with Tilt, Shock & Tamper Detection, 433MHz, 1000m Range

Dahua DHI-ARD324-W2(S) Wireless Door Detector Plus – Smart Magnetic Contact Sensor with Tilt, Shock & Tamper Detection, 433MHz, 1000m Range

$58.14 AUD
$69.36 AUD $58.14 AUD
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Enhance your perimeter security with the Dahua DHI-ARD324-W2(S) Wireless Door Detector Plus, a high-performance contact sensor designed to detect door/window status, tilt, and shock events with exceptional accuracy. Featuring advanced triaxial accelerometer technology, 433MHz frequency hopping, and AES128 encryption, this device ensures stable, secure, and long-range wireless communication up to 1000m in open space. Ideal for residential or commercial non-metal doors, this smart sensor also includes temperature display with overheat alarm, cloud update support, and tamper protection, making it a reliable solution for modern intrusion detection systems.

What’s Included in the Box

  • 1 × Dahua Wireless Door Detector Plus – DHI-ARD324-W2(S)

  • CR123A Battery (pre-installed)

  • Quick Start Guide

Main Features

  • Multi-Sensor Detection: Monitors open/close status, tilt, and shock events.

  • Ultra-Long Wireless Range: Up to 1000 m transmission (open space).

  • Encrypted Two-Way Communication: AES128 encryption with secure frequency hopping (433MHz).

  • Overheat Detection: Displays surrounding temperature and triggers alarm if overheat conditions are detected.

  • Flexible Alarm Input: Supports Normally Open (NO), Normally Closed (NC), and Pulse types.

  • Cloud Upgradable: Supports over-the-air updates with auto-restore on failure.

  • Tamper & Low Battery Alerts: Sends real-time notifications to the system or app.

  • Compact & Discreet Design: Only 100 mm in length, ideal for indoor mounting on residential or commercial doors.

  • Up to 3-Year Battery Life: Powered by CR123A battery (low-power design).

Detailed Specifications

Category Specification
Model DHI-ARD324-W2(S)
Alarm Inputs 1 (NC, NO, or Pulse)
Communication Frequency 433.1–434.6 MHz
Wireless Range Up to 1000 m (open space)
Communication Two-way with AES128 encryption
Sensors Triaxial accelerometer, reed switch
Movement Distance < 40 mm (1.57")
Temperature Display Range –15 °C to +65 °C (±1 °C accuracy)
Indicators Green LED alarm indicator
Operating Temperature –10 °C to +55 °C
Humidity 10%–90% (RH)
Power Supply 1 × CR123A battery
Battery Life Up to 3 years (NO input) / 1.5 years (NC input)
Mounting Bracket-mount
Dimensions 100.2 × 20.8 × 20.3 mm
Certifications CE

Warranty Information


Covered under Dahua's standard limited 2-year warranty. Warranty support is available through authorised Australian and New Zealand distributors for prompt replacements or technical assistance.

Brand Description


Dahua Technology is a global leader in smart security and surveillance systems. Known for its innovation and high-reliability products, Dahua delivers intelligent intrusion detection solutions powered by deep learning and secure connectivity protocols, ideal for both home and enterprise applications.

SKU: DHI-ARD324-W2(S)

Practical Use Scenarios

  • Residential Door Security: Instantly detect door openings, vibrations, or tilt — perfect for front/back doors and windows.

  • Office & Commercial Entry Monitoring: Monitor access doors and trigger alerts during off-hours.

  • Temperature-Sensitive Environments: Use the built-in temperature sensor for environments where overheating is a risk.

  • Vandal/Tamper-Prone Areas: The tamper detection feature ensures the device remains secure and functional.

Datasheets & Downloads
📄 Dahua Wireless Door Detector Plus DHI-ARD324-W2(S) Datasheet

Excellence for the Australian and New Zealand Market

The Dahua DHI-ARD324-W2(S) Wireless Door Detector Plus is tailored for the Australian and New Zealand security sector. Certified to CE standards and optimized for regional performance conditions, this unit is engineered for long battery life and consistent operation in varied temperature environments. Sourced exclusively through authorised ANZ distributors, local service and warranty handling ensure a seamless experience for system integrators, installers, and end users.

FAQs 

Q: What door types is the DHI-ARD324-W2(S) compatible with?
A: The DHI-ARD324-W2(S) is designed for non-metal indoor doors and windows, offering reliable detection for residential and commercial use.

Q: How long does the battery last in the DHI-ARD324-W2(S)?
A: The DHI-ARD324-W2(S) can last up to 3 years with Normally Open (NO) input type and approximately 1.5 years with Normally Closed (NC), depending on usage.

Q: Does the DHI-ARD324-W2(S) support tamper protection?
A: Yes, the DHI-ARD324-W2(S) features tamper detection and will trigger an alert if the device is physically interfered with.

Q: What is the wireless range of the DHI-ARD324-W2(S)?
A: The DHI-ARD324-W2(S) can communicate wirelessly up to 1000 meters in open space using two-way communication with frequency hopping.

Q: Can I update the firmware on the DHI-ARD324-W2(S)?
A: Yes, the DHI-ARD324-W2(S) supports cloud-based updates with automatic restore if the update process fails.

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