What is a Dahua alarm system? A Dahua alarm system is a security system consisting of an alarm hub and wireless components, such as magnetic contacts, motion detectors, sirens, smoke detectors, panic buttons, and key fobs. The hub is the heart of the system: it receives signals from the sensors...
Dahua alarm system
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Dahua Airshield DHI-HY-SA21A-W2(868) Wireless Smoke Detector
DHI-HY-SA21A-W2(868) Wireless smoke detector The Dahua Wireless Smoke Detector provides battery-powered smoke detection and alarm functions within a single unit. Advanced electronics combined with a photoelectric smoke detection chamber provides early detection of smoke and high immunity to unwanted alarms....
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Dahua Airshield DHI-ARA12-W2(868) Wireless Indoor Siren
DHI-ARA12-W2(868) Wireless Indoor Siren The DAHUA DHI-ARA12-W2(868) WIRELESS SIREN combines state-of-the-art technology with a robust design to provide optimal protection against intruders and other incidents. It is specifically designed for wireless use, making it easy to install and integrate into...
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Dahua Airshield DHI-ARD1233-W2, Wireless PIR Detector
DHI-ARD1233-W2, Wireless PIR Detector The DHI-ARD1233-W2 is a wireless PIR motion detector for the Dahua burglar alarm system, suitable for indoor security applications. It is equipped with a dual PIR sensor that offers a range of up to 12 m...
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Dahua Airshield DHI-ARK30T-W2, Wireless Keypad with Card Reader
DHI-ARK30T-W2, Wireless Keypad with card reader Wireless Keypad is used with the Dahua Alarm Hub and supports multiple users, allowing everyone to access the alarm security system with their own personal access code. The system also conveniently keeps a log...
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Dahua Airshield DHI-ARD323-W2(868), Wireless Magnetic Contact
DHI-ARD323-W2, Magnetic Contact Wireless The DHI-ARD323-W2 is a wireless magnetic contact with apparent mounting for the Dahua alarm system, suitable for securing doors and windows. It has a reed contact, up to 40 mm opening, 1 dry contact input, low...
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Dahua Airshield DHI-ARD1731-W2, Wireless PIR Camera
DHI-ARD1731-W2, Wireless PIR Camera Wireless PIR detector with camera and infrared illumination.The camera allows you to view video of triggered alarm events. By displaying the images in real time, you can react quickly and accurately to actual alarm events.The PIR...
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Dahua Airshield DHI-ARM7011-W2(868) Wireless Relay 7–24 VDC
DHI-ARM7011-W2(868) Wireless Relay 7-24VDC Dahua Wireless Relay Frequency hopping and two-way communicaton technology ensure stable communication. Supports interference detection and communication encryption. Supports cloud update and automatically recovers when cloud update fails. Protection against overheating. Voltage detection. 1 channel external...
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Dahua Airshield DHI-ARA24-W2(868) Wireless Key Fob
DHI-ARA24-W2(868) wireless keyfob This Dahua Keyfob DHI-ara24-W2 is a remote control for the Dahua alarm system. This keyfob allows you to arm and disarm the alarm. 4 buttons: Power on, Power off, Home mode, SOS. Remote configuration, cloud upgrade and...
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Dahua Airshield ARC3800H-W2(868), Alarm Hub 2, Wi-Fi and LAN
The Dahua Alarm HUB 2 ARC3800H-W2(868) is an all-new industrial design and advanced technology alarm system, reliable communication and stable operation of the new generation of wireless alarm products. From the comfort of the mobile applications DMSS (for users) and...
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Dahua Airshield DHI-ARD323-W2(868) Black, Wireless Magnetic Contact
DHI-ARD323-W2 (868) Black, Magnetic Contact Wireless The DHI-ARD323-W2(868) is a wireless magnetic contact with apparent mounting for Dahua alarm system, suitable for securing doors and windows. It has a reed contact, up to 40 mm opening, 1 input for dry...
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Dahua Airshield DHI-ARD2231-W2, Wireless PIR Dual Detector
DHI-ARD2231-W2, Wireless PIR DUAL Detector , Wireless PIR DUAL Detector . Pet immunity function. Automatic temperature compensation. Three-level sensitivity adjustment. Displays ambient temperature and supports overheating alarm. Frequency hopping and two-way communication technology ensure stable communication. Supports cloud updates and...
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Dahua Airshield DHI-ARD822-W2(868) Wireless Dual Panic Button
DHI-ARD822-W2(868) Wireless Double Panic Button . Wireless panic button. Bidirectional RF communication. Provides multiple LED colours to indicate different statuses. Cloud update and automatic recovery in case of failed updates. Offers prevention against accidental presses. Battery life of up to...
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Dahua Airshield DHI-ARA13-W2(868) Wireless Outdoor Siren with Orange Strobe Light
DHI-ARA13-W2(868)Wireless Outdoor Siren With Orange Flash With a maximum communication distance of up to 1,600 metres, the DAHUA DHI-ARA13-W2(868) WIRELESS OUTDOOR SIREN can provide a stable wireless connection to the alarm system over a long distance without the risk of...
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Dahua Airshield DHI-ARA43-W2, Alarm Amplifier for up to 32 Devices
DHI-ARA43-W2, Alarm Repeater for up to 32 devices With this Alarm Repeater - DHI-ARA43-W2 which allows you to amplify signals from security devices, such as motion detectors or door sensors, and transmit them to the alarm centre. With the ability...
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Dahua garage door protection kit
Garage door protectsetWith this product, you can easily protect a garage door from unauthorized opening with a special floor contact and doorprotect. You can connect and add this to your Dahua system. Rolling door magnetic contact Suitable for garages, sliding...
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Dahua Airshield ARC3800H-W2(868) Black, Alarm Hub 2, Wi-Fi and LAN
The Dahua Alarm Hub 2 ARC3800H-W2(868) is a completely new industrial design and advanced technology alarm system, reliable communication and stable operation of the new generation of wireless alarm products. From the comfort of the mobile applications DMSS (for users)...
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Dahua Airshield DHI-ARK30C-RW2, Wireless Keypad with Card Reader and LCD Screen
The Dahua DHI-ARK30C-RW2 is a wireless LCD keypad designed for easy alarm system operation. With its backlit 32-character display and 20 keys, including 10 numeric and 10 function keys, the panel provides intuitive operation even in the dark. Four LED...
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Dahua Airshield DHI-ARD324-W2(868), Wireless Magnetic Contact / Vibration Sensor / Tilt Sensor
The DHI-ARD324-W2(868) is a wireless magnetic contact with mounting for Dahua alarm system, suitable for securing doors and windows. It has a reed contact, up to 40 mm opening, 1 input for dry contact, low battery warning, LED indicator and...
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Dahua Airshield DHI-ARM7012-W2(868) Wireless Wall Switch 230V
DHI-ARM7012-W2(868), Wireless Wall Switch 230V Dahua Wireless Relay Frequency hopping and two-way communicaton technology ensure stable communication. Supports fault detection and communication encryption. Supports cloud update and recovers automatically when cloud update fails. Protection against overheating. Voltage detection. 1 channel...
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Dahua Airshield ARC3800H-FW2(868), Alarm Hub 2, Wi-Fi, LAN, and 4G
The Dahua Alarm HUB 2 ARC3800H-FW2(868) is an all-new industrial design and advanced technology alarm system with 4G function, reliable communication and stable operation of the new generation of wireless alarm products. From the comfort of the mobile applications DMSS...
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Dahua Airshield HY-GC21B-W2(868) wireless CO detector
Dahua Airshield HY-GC21B-W2(868) Wireless CO Detector The Dahua DHI-HY-GC21B-W2(868) is a wireless carbon monoxide detector with an integrated electrochemical sensor for accurate and continuous detection of CO concentrations. The device combines local audible and visual alarms with real-time alerts via...
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Dahua Airshield ARD333-W2(868S), Wireless Small Magnetic Contact + 1-Zone Wired
The DHI-ARD333-W2(868S) is a wireless door detector from Dahua that operates at 868 MHz and uses two-way communication with AES128 encryption. Thanks to frequency hopping and a communication range of up to 1,400 meters in open field, this detector provides...
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Dahua Airshield DHI-ARD323-W2(868S)-B Wireless Magnetic Contact, Small, Black
DHI-ARD323-W2(868S)-B, Magnetic Contact Wireless, Small Model Black The DHI-ARD323-W2(868S)-B is a compact wireless magnetic contact with mounting for Dahua alarm system, suitable for securing doors and windows. It has a reed contact, up to 40 mm opening, 1 input for...
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Dahua Airshield DHI-ARM310-W2(868) Wireless Input Module
DHI-ARM310-W2(868) Wireless Input Module Wireless input extension. Six alarm types: intrusion, medical, fire, emergency, gas and tamper NC and NO are available for alarm inputs (NO is default). Signal strength detection. Low battery alarm. Temperature monitoring. Frequency hopping function and...
What is a Dahua alarm system?
A Dahua alarm system is a security system consisting of an alarm hub and wireless components, such as magnetic contacts, motion detectors, sirens, smoke detectors, panic buttons, and key fobs. The hub is the heart of the system: it receives signals from the sensors and forwards alerts to the user or monitoring center. Through the DMSS app, you can receive alerts, manage devices, and remotely check the system’s status. For installers and service providers, Dahua also uses cloud platforms such as DoLynk Care.
That may sound technical, but in practice it’s very simple. If a door opens while the alarm is armed, the system responds immediately. If motion is detected, you’ll receive an alert right away. And with certain configurations, you can even use video verification via a PIR camera or linked IP cameras.
Why choose Dahua AirShield?
A major advantage of Dahua AirShield is that the system is wireless and scalable. You start small with a hub, a motion detector, and a magnetic contact, and can easily expand later with additional sensors or sirens. According to Dahua, the Alarm Hub 2 supports up to 150 wireless components, including key fobs, keypads, repeaters, and PIR cameras. This makes the system suitable for both homes and small to medium-sized commercial properties.
It’s also reassuring that Dahua prioritizes stable communication. The official product specifications include two-way communication, encryption, and—in some models—network options via Ethernet, Wi-Fi, and even 4G. This provides extra peace of mind, especially in locations where you want to maintain a reliable connection. With this solution, you can be sure you’ll know right away if something happens.
Which components can you combine?
A Dahua alarm system typically consists of the following components:
Alarm Hub
The hub is the central unit. This is where you register all wireless accessories. Models such as the ARC3800H-W2 operate via Wi-Fi and LAN, and some variants also offer 4G as an additional communication option.
Motion Detectors and PIR Cameras
A standard PIR detector detects motion in a room. A PIR camera goes a step further and also transmits video footage when an alarm is triggered. This is useful when you want to quickly verify whether the alarm is genuine.
Magnetic contacts
These are installed on doors and windows. As soon as a door or window opens while the system is active, you’ll receive an immediate notification. Ideal for front doors, back doors, sliding doors, and ground-floor windows.
Sirens, keypads, and remote controls
An indoor or outdoor siren sounds a loud alarm when triggered. You can easily arm and disarm the system using a keypad or key fob. This is especially convenient for families, employees, or situations where not everyone uses the app.
For home and business use
A Dahua home alarm system is a great option if you want a neat, wireless solution without a major installation. Think of a townhouse where you want to secure the front and back doors, combined with a motion detector in the entryway. This way, you’re set up quickly and still have solid basic security.
Dahua is also a strong choice for business use. Consider a retail space where you want to keep a close eye on what’s happening, even at night. By combining alarm detection with Dahua cameras, you can intelligently link alerts and video footage. This provides peace of mind and helps you assess an incident more quickly. Dahua explicitly mentions these integrations as part of the AirShield platform.
Differences Between Models
Not every Dahua alarm system is the same. The differences often lie in the communication options, the number of supported devices, and the extent of integration with other Dahua products. For a standard home, a Wi-Fi/LAN hub is often sufficient. If you have a location where an internet outage poses an additional risk, a model with 4G backup may be a wiser choice.
There are also differences among detectors. One motion detector is primarily intended for standard indoor use, while another model offers additional features, such as pet immunity, dual detection, or video verification. Which combination is best depends on your property, its layout, and your needs. That’s why personalized advice is often just as important as the technology itself.
Personal advice makes all the difference
On paper, many systems may seem similar, but in practice, every property is different. An apartment requires a different approach than a single-family home, office, or warehouse. That’s why it’s wise to look not just at individual products, but at the big picture: entrances, traffic patterns, high-risk areas, and ease of use.
Want to know which Dahua alarm system suits your situation? Feel free to stop by our showroom in Gorinchem. We’d be happy to show you how the hub, detectors, sirens, and controls work. That way, you can really get a feel for the system and make a choice you can trust. Our showroom in Gorinchem and our wide selection of Dahua products are also featured on the Alarmsysteemexpert website.
Frequently Asked Questions
How do I set up a Dahua alarm system?
The basic setup involves connecting the hub to power and the network, then registering the wireless accessories. You can then manage many settings via the app. It’s simpler than it might sound.
Can I connect a Dahua alarm system to cameras?
Yes, certain Dahua hubs support integration with IP cameras and PIR cameras for alarm verification. This allows you to see what’s really happening more quickly when an alarm is triggered.
Is a Dahua alarm system suitable for a home?
Absolutely. Because the system is wireless and can be expanded with magnetic contacts, motion detectors, and sirens, it’s particularly well-suited for homes. It’s also a practical solution for small businesses.
What’s the difference between Wi-Fi, LAN, and 4G for the hub?
LAN is a wired network connection; Wi-Fi works wirelessly via your internet network; and 4G can provide extra reliability as a backup or in locations where a wired connection isn’t ideal. Which option is right for you depends on your specific situation.