| Category | Parameter |
| Model | VD-101 |
| Operating Voltage | DC 9V–15V |
| Static Power Consumption | 15mA (at rated voltage) |
| Continuous Load | DC 28V, 0.5A |
| Duration | ≥2s |
| Operating Temperature | -10℃ to +50℃ |
| Storage Temperature | -20℃ to +70℃ |
| IP Rating | IP30 |
| Indicator Light | Flashes (normal); Off (alarm) |
| Tamper Protection | Cover plate and base plate dual-trigger alarm |
| Low Voltage Alarm | Triggers below 7.5V |
| Sensitivity | 5-level adjustable |
| Protection Range | 0.5m–3m |
| Color | Gray |
| Dimensions (H×W×D) | 100mm × 80mm × 39.5mm |
| Application Additional Feature | Continuous knocking alarm: N/A |