Dahua · DHI-ARD333-W2(915S) · Wireless Door Detector · 915MHz
Door Detector
Dahua DHI-ARD333-W2(915S) Wireless Door Detector
The Dahua DHI-ARD333-W2(915S) is a wireless reed-switch door detector that triggers an alarm when an armed non-metal door or window is opened. It uses encrypted two-way RF on the 915MHz band with frequency hopping for stable communication up to 1,400m in open space. The detector pairs with Dahua wireless alarm hubs (ARC series) and is armed, monitored and managed in the DMSS app.
Specifications — DHI-ARD333-W2(915S)
| Type |
Wireless reed-switch door/window detector |
| Frequency |
915.0MHz–928.0MHz |
| Communication |
Two-way RF, frequency hopping, AES128 encryption |
| Range |
Up to 1,400m in open space |
| Scenario |
Non-metal doors and windows (gap < 40mm) |
| Temperature Monitoring |
-15°C to +65°C indoor |
| Battery |
1 × CR123A, up to 4.1 years (Dahua test conditions) |
| Mounting |
Wall mount (101 × 21 × 22.2mm) |
| Compatibility |
Dahua ARC wireless alarm hubs · DMSS app |
| Warranty (Australia) |
3 years · CCTV Guru Australia |
