Dahua Wireless Door Detector DHI-ARD333-W2(868S)
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Description
Description
Dahua Wireless Door Detector DHI-ARD333-W2(868S)
The Dahua DHI-ARD333-W2(868S) is a wireless door detector designed for Dahua wireless alarm systems. Using a reed switch to monitor the opening and closing of non-metal doors, it combines long-range 868MHz two-way wireless communication with AES128 encryption, frequency hopping, tamper protection and low-battery monitoring. An external digital input also allows an additional wired detector to be integrated into the alarm system.
Key Features
- Reed-switch wireless door detector designed for monitoring non-metal doors.
- 868.0–868.6MHz two-way wireless communication with a range of up to 1,400m in open space.
- AES128 encryption and frequency hopping help provide secure and stable wireless communication.
- 1-channel external digital input allows connection of an additional wired detector.
- Supports tamper detection, low-battery detection, signal-strength detection and temperature monitoring.
- Cloud updates enable remote firmware maintenance.
- Single CR123A battery provides an estimated service life of up to 4.6 years under Dahua's specified test conditions.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Dahua |
| Model | ARD333-W2(868S) |
| Manufacturer Part Number | DHI-ARD333-W2(868S) |
| Product Type | Wireless Door Detector |
| Sensor | Reed Switch |
| Application | Non-Metal Doors |
| Movement Distance | <40mm |
| Alarm Input | 1-Channel External Digital Input |
| Indicator | 1 × Green Alarm Indicator |
| Button | 1 × Power Button |
| Tamper Detection | Yes |
| Low Battery Detection | Yes |
| Temperature Monitoring | Yes |
| Temperature Measurement Range | -15°C to +65°C (Indoor) |
| Anti-EMI/RFI Interference | Yes |
| Test Mode | Yes |
| Remote Update | Cloud Update |
| Wireless Frequency | 868.0–868.6MHz |
| Transmitter Power | Up to 25mW EIRP |
| Communication | Two-Way |
| Wireless Communication Distance | Up to 1,400m in Open Space |
| Encryption | AES128 |
| Frequency Hopping | Yes |
| Power Supply | 1 × CR123A Battery |
| Estimated Battery Life | Up to 4.6 Years (2 Alarm Triggers per Day, 80% Battery Efficiency) |
| Low Battery Threshold | 2.2V |
| Battery Restore Threshold | 2.6V |
| Maximum Power Consumption | 0.258W |
| Standby Power Consumption | 0.087mW |
| Operating Temperature | -10°C to +55°C (Indoor) |
| Operating Humidity | 10%–90% RH |
| Installation | Wall Mount |
| Casing Material | PC + ABS |
| Dimensions (L × W × H) | 101 × 21 × 22.2mm |
| Net Weight | 48.7g |
| Certification | CE |
Add reliable door monitoring to a compatible Dahua wireless alarm system with secure two-way 868MHz communication and long battery life.
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