Dahua Technology

Door Detector Plus ARD324-W2(S)

Rs. 2,640.64

~~Rs. 3,053.24~~ Rs. 2,640.64

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Overview

The Dahua ARD324-W2(S) Wireless Door Detector Plus (Small Magnet) is an advanced magnetic contact detector designed to protect doors and windows while providing additional shock and tilt detection capabilities. It instantly detects opening, vibration, or abnormal movement and sends alarm notifications to the Dahua wireless alarm hub for enhanced intrusion protection.

Equipped with a triaxial accelerometer and reed switch, the detector can identify door opening, impact, and tilting events. Two-way wireless communication, AES128 encryption, frequency hopping technology, and anti-jamming protection ensure reliable and secure operation. Through the DMSS application, users can monitor device status and receive instant alerts from anywhere.

Key Features

✔ Detects door and window opening events

✔ Built-in shock and tilt detection

✔ Triaxial accelerometer and reed switch sensor

✔ Temperature monitoring with overheating alarm support

✔ Supports external wired detector input

✔ Two-way wireless communication

✔ AES128 encryption for secure communication

✔ Frequency hopping technology for improved anti-interference capability

✔ Anti-jamming detection

✔ Cloud firmware upgrade and automatic recovery

✔ Tamper alarm and low battery detection

✔ Battery life up to 3 years

Why Choose Dahua ARD324-W2(S)?

Enhanced Intrusion Protection

Besides detecting door and window openings, the detector also recognizes vibration and tilting attempts, providing additional security against forced entry.

Temperature Monitoring

Displays ambient temperature and supports overheating alarms for increased safety and environmental awareness.

Reliable Wireless Performance

Two-way communication and frequency hopping technology provide stable signal transmission and strong resistance to interference.

Advanced Security

AES128 encryption and anti-jamming protection safeguard wireless communications from unauthorized access.

Long Battery Life

Powered by a CR123A battery, the detector can operate for up to three years under normal conditions, minimizing maintenance requirements.

Technical Specifications

Feature	Specification
Product Type	Wireless Door Detector Plus (Small Magnet)
Sensor Type	Triaxial Accelerometer + Reed Switch
Detection Functions	Opening, Shock and Tilt Detection
Movement Distance	< 40 mm
Shock Detection Sensitivity	High, Normal, Low
Tilt Detection	Up to 25°
Scenario	Non-metal Doors
External Alarm Input	NO / NC / Pulse Count
Temperature Measurement Range	-15°C to +65°C
Temperature Accuracy	±1°C
Test Mode	Supported
Communication Mechanism	Two-Way Wireless Communication
Encryption Mode	AES128
Frequency Hopping	Supported
Wireless Frequency	433.1 MHz – 434.6 MHz
Communication Distance	Up to 1,000 m (Open Area)
Remote Upgrade	Cloud Update
Jamming Detection	Supported
Tamper Alarm	Supported
Low Battery Detection	Supported
Power Supply	1 × CR123A Battery
Battery Life	Up to 3 Years (NO Input), Up to 1.5 Years (NC Input)
Maximum Power Consumption	104 mW
Operating Temperature	-10°C to +55°C
Operating Humidity	10%–90% RH
Installation	Bracket Mount
Dimensions	100.2 × 20.8 × 20.3 mm
Net Weight	70 g
Casing Material	PC + ABS
Certification	CE