Dahua Wireless Door Detector
Dahua DHI-ARD333-W2(915S) Wireless Door Detector
The Dahua DHI-ARD333-W2(915S) is a wireless door detector for compatible Dahua wireless alarm systems. Designed for non-metal doors, it uses a reed switch to detect opening and closing, with secure two-way communication, AES128 encryption and up to 1,400m wireless range in open space.
Why Choose the Dahua ARD333-W2?
🚪 Door Open Detection
Detects opening and closing on non-metal doors using a built-in reed switch.
📡 Up to 1,400m Range
Long-range wireless communication in open space for flexible installation.
🔐 AES128 Encryption
Encrypted two-way communication helps protect alarm signals.
🔋 Long Battery Life
A single CR123A battery can last up to 4.1 years under Dahua test conditions.
🌡 Temperature Monitoring
Built-in temperature monitoring supports indoor readings from -15°C to +65°C.
🛡 Tamper Protection
Tamper detection helps alert the system if the detector is interfered with.
Technical Specifications
| Specification |
Details |
| Model |
DHI-ARD333-W2(915S) |
| Product Type |
Dahua Wireless Door Detector |
| Sensor |
Reed switch |
| Scenario |
Non-metal doors |
| Movement Distance |
< 40mm |
| Alarm Input |
1-channel external digital input |
| Carrier Frequency |
915.0MHz–928.0MHz |
| Communication |
Two-way wireless communication |
| Communication Distance |
Up to 1,400m in open space |
| Encryption |
AES128 |
| Frequency Hopping |
Yes |
| Signal Strength Detection |
Yes |
| Low Battery Detection |
Yes |
| Tamper |
Yes |
| Temperature Measuring Range |
-15°C to +65°C indoor |
| Power Supply |
CR123A battery |
| Battery Life |
Up to 4.1 years under Dahua test conditions |
| Operating Temperature |
-10°C to +55°C indoor |
| Operating Humidity |
10%–90% RH |
| Dimensions |
101.0mm × 21.0mm × 22.2mm |
| Net Weight |
48.7g |
| Installation |
Wall mount |
| Casing Material |
PC + ABS |
| Certification |
CE |
Downloads
| Resource |
Link |
| Dahua DHI-ARD333-W2(915S) Datasheet |
Download PDF
|
Frequently Asked Questions
What is the Dahua DHI-ARD333-W2 used for?
It is used to detect when a non-metal door is opened or closed as part of a compatible Dahua wireless alarm system.
Is this a 915MHz model?
Yes. The DHI-ARD333-W2(915S) uses a 915.0MHz–928.0MHz carrier frequency.
What is the wireless range?
Dahua lists the communication distance as up to 1,400m in open space.
Does it have tamper detection?
Yes. Tamper protection is supported.
Is it suitable for metal doors?
The datasheet lists the recommended scenario as non-metal doors.
Secure Doors with Dahua Wireless Alarm Protection
Add reliable door opening detection to your Dahua wireless alarm system.
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