Dahua ARD324-W2(868S) 868MHz Wireless Door Detector Plus
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After you place your order, please check the order confirmation email from our team. We will confirm stock, lead time and shipping before dispatch. If an item is out of stock, we may propose a compatible replacement model for your approval.
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ARD324-W2(868S) 
Wireless Door Detector Plus
> Frequency hopping and two-way communication technology ensure that communication is stable.
> Supports cloud update and automatically restores when cloud update fails.
> Supports jamming detection and communication encryption.
> Supports tilt and shock detection, and generates alarms when the event happens.
Product Data
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Input/Output |
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Alarm Input |
1(Normally Closed;Normally Open;Impulse Count) |
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Function |
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Indicator Light |
1 × green alarm indicator |
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Button |
1 × power switch |
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Remote Update |
Cloud update |
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Low Battery Detection |
Yes |
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Tamper |
Yes |
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Measuring Range (Temperature) |
Indoor: –15 °C to +65 °C (+5 °F to +149 °F) |
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Measuring Accuracy |
±1 °C (±1.8 °F) |
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Technical |
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Sensor |
Triaxial Accelerometer, Reed Switch |
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Movement Distance |
< 40 mm (1.57") |
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Test Mode |
Yes |
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Scenario |
Non-metal doors |
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Operating Current |
12 uA |
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Alarm Current |
2.3 mA |
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Wireless |
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Carrier Frequency |
868.0 MHz–868.6 MHz |
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Communication Mechanism |
Two-way |
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Communication Distance |
Up to 1,200 m (3937.01 ft) in an open space |
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Encryption Mode |
AES128 |
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Frequency Hopping |
Yes |
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General |
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Power Supply |
CR123A × 1 |
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Battery Life |
If triggered twice a day with a battery efficiency of 70%: 3 years (The external input type is NO) 1.5 years (The external input type is NC) |
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Power Consumption |
167 mW |
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Operating Temperature |
Indoor: –10 °C to +55 °C (+14 °F to +131 °F) |
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Operating Humidity |
10%–90% (RH) |
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Storage Temperature |
–10 °C to +55 °C (+14 °F to +131 °F) |
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Storage Humidity |
10%–90% (RH) |
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Product Dimensions |
100.2 mm × 20.8 mm × 20.3 mm (3.94" × 0.82" × 0.80") |
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Packaging Dimensions |
135.0 mm × 98.5 mm × 27.8 mm (5.32" × 3.87" × 1.09") |
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Net Weight |
70 g (0.15 lb) |
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Gross Weight |
115 g (0.25 lb) |
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Installation |
Bracket mount |
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Casing Material |
PC + ABS |
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Certifications |
CE |
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Order & Pricing Information for Surveillance Products
Please note the following important details when ordering surveillance products from ICCTVZONE:
- Order confirmation: After you place an order, please check the confirmation email from our team. We will confirm stock, lead time and shipping before dispatch.
- Stock & replacements: Inventory status is not real-time. If an item is out of stock, we may propose a compatible replacement model for your approval.
- Final pricing: Prices shown are indicative. The final price is confirmed on the Proforma Invoice (PI) after order confirmation.
- Project-specific pricing: Some products are configured for project requirements; pricing may vary with quantity and specification.
- Minimum order: A minimum order value may apply to non-stock or project items; our team will confirm before processing.
- Shipping costs: Shipping is calculated separately and added to the order total.
- Duties & taxes: Import duties, taxes and customs clearance fees are not included in the product price or shipping quote. These charges are the customer's responsibility.
- Genuine products: We supply genuine products from leading brands with current firmware.
- Technical support: Our engineers provide pre-sales and after-sales technical support.
- Warranty: Warranty terms depend on the product and order type; we will confirm the applicable coverage in writing.
Questions? Contact sales@icctvzone.com.
Product Features
What this model is for, what it does well, and what to confirm before it goes on a project.
Indoor door and window intrusion monitoring on non-metal doors in 868MHz alarm systems.
Frequency hopping and two-way communication help keep detector-to-panel signaling consistent for dependable everyday alarm coverage.
A triaxial accelerometer and reed switch trigger alarms on tilt or shock events, adding protection beyond simple open/close detection.
The detector reports surrounding temperature and raises an overheating alarm, giving extra awareness alongside intrusion monitoring.
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