Description
Dahua ARM7011-W2 Wireless Relay Module
The Dahua ARM7011-W2 is a wireless relay module designed to remotely control low-voltage devices within a Dahua wireless alarm system.
It allows you to trigger external equipment such as doors, lights, sirens or automation systems directly from your alarm platform.
Built with two-way wireless communication, AES128 encryption and frequency hopping technology,
this relay ensures stable and secure operation. It also supports tamper input, voltage detection
and cloud updates for reliable long-term performance.
Key Features
- Wireless relay module for remote device control
- 1 relay output (NO/NC, 0–36V DC, max 5A)
- 1 tamper alarm input (NO/NC)
- Two-way RF communication
- Up to 800m–1200m transmission range (model dependent)
- AES128 encrypted communication
- Frequency hopping for anti-interference
- Overheating protection and voltage detection
- Cloud update with auto recovery
- LED indicator for status display
What Does This Relay Do?
The ARM7011-W2 allows your Dahua alarm system to control external devices.
For example, you can trigger:
- Electric door strikes or gates
- Garage doors
- Warning lights or sirens
- Automation outputs
It acts as a bridge between your wireless alarm system and physical electrical devices,
giving you more control and automation options.
Why Choose the ARM7011-W2?
-
Expand your alarm system: control external devices remotely
-
Secure communication: AES128 encryption + frequency hopping
-
Reliable wireless: two-way communication improves stability
-
Flexible installation: compact design and low voltage support
-
System safety: tamper input and overheating protection
Specifications
| Model |
ARM7011-W2 |
| Product Type |
Wireless Relay Module |
| Relay Output |
1 (NO/NC, 0–36V DC, max 5A) |
| Alarm Input |
1 tamper input (NO/NC) |
| Communication |
Two-way wireless |
| Frequency |
433 MHz or 868 MHz (variant dependent) |
| Range |
Up to 800–1200 m (open space) |
| Encryption |
AES128 |
| Frequency Hopping |
Yes |
| Power Supply |
7–24V DC |
| Operating Temperature |
-10°C to +55°C |
| Dimensions |
39 × 33 × 19 mm |
Frequently Asked Questions
What is the Dahua ARM7011-W2 used for?
It is a wireless relay used to control external devices such as doors, lights and automation outputs.
Is this compatible with Dahua wireless alarm systems?
Yes, it is designed as an accessory for Dahua wireless alarm systems.
How far does it work?
It supports up to 800–1200 metres communication range in open space depending on version.
Does it support secure communication?
Yes, it uses AES128 encryption and frequency hopping technology.
Can it control high voltage devices?
No, it is designed for low voltage control (0–36V DC relay output).
Does it support tamper protection?
Yes, it includes a tamper alarm input for additional security.
More Information
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Tip: Use this relay to automate doors, lights or sirens within your Dahua alarm system for smarter security control.
