Dahua ARM310-W2 Wireless Input Expander, 433 MHz, Bracket Mount
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ARM310-W2
Wireless input expander
> NC and NO are avaliable for alarm inputs (NO by default).
> Signal strength detection.
> Low battery alarm.
> Temperature mornitoring.
> Frequency hopping function and two-way communication technology ensure communication stability.
> Cloud update and automatic recovery from update failure.
Product Data
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Port |
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Indicator Light |
1 × green alarm indicator |
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Button |
1 × power button |
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Protection Zone |
1-channel dry contact input |
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Function |
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Tampering Alarm |
Yes |
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Remote Upgrade |
Cloud update |
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Low Battery Alarm |
Yes |
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Test Mode |
Yes |
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Search |
Signal strength detection |
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Wireless |
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Carrier Frequency |
433.1 MHz–434.6 MHz |
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Communication Distance |
Up to 1,000 m (3,280.84 ft) in an open space |
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Communication Mechanism |
Two-way |
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Frequency Hopping |
Yes |
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Encryption Mode |
AES128 |
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General |
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Power Supply Mode |
CR123A battery |
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Power Consumption |
Max. 70 mW |
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Operating Temperature |
–10 °C to +55 °C (+14 °F to +131 °F) (indoor) |
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Operating Humidity |
10%–90% (RH) |
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Dimensions |
100.2mm × 20.8mm × 20.3mm (3.94" × 0.82" ×0.80") |
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Package Dimensions |
135.0 mm × 98.5 mm × 27.8mm (5.31" × 3.88" × 1.09") |
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Installation Mode |
Bracket mount |
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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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Certification |
CE |
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Battery Life |
4 years (The external input type is NO) 2 years (The external input type is NC or Pulse) |
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Casing Material |
PC + ABS |
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Temperature |
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Measurement Range |
–15 °C to +65 °C (+5 °F to +149 °F) (indoor) |
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Measurement Precision |
±1 °C (±1.8 °F) |
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Resolution |
1 °C (33.8 °F) |
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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.
Adding one dry-contact alarm zone to a compatible Dahua wireless alarm system indoors.
Supports intrusion, medical, fire, emergency, gas and tamper events so one expander covers varied alarm needs.
Frequency hopping and two-way communication help keep signaling consistent over distances up to 1,000 m in open space.
Low battery alarms, tamper reporting and signal strength detection help you spot issues before a zone goes silent.
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