A vehicle-only kit you can set up in minutes without trenching, for a gravel or paved drive that isn’t plowed.
Amazon $149.99
The classic buried-probe kit for a long rural drive where you want to hear about cars and trucks and ignore wildlife.
- Magnetic probeSensor
- 1 mile (claimed)Wireless range
- 1Sensors in box
- Chime receiver, relay outputAlerts
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
- Buried magnetic probe senses only vehicles, not deer or people
- Nothing on the surface for plows or mowers to catch
- Relay and 12 V outputs for gates, lights or alarm panels
- Probe has to be buried beside the drive
- No phone alerts
- Amazon listing does not say which probe wire length is included
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its sensor type. How we rank explains each one.
Specifications
| Model number | DCPA-4k Plus |
|---|---|
| Detection | |
| Sensor type | Magnetic probe |
| Detection distance | 10 ft |
| Adjustable sensitivity | Yes |
| System | |
| Wireless range | 1 mile (claimed) |
| Sensors in box | 1 |
| Receivers in box | 1 |
| Sensors per receiver | Up to 16 |
| Price per sensor | $259.99 |
| Alerts | |
| Phone alerts (Wi-Fi) | No |
| Receiver power | Plug-in |
| Relay or 12 V output | Yes |
| Per-sensor alerts | Yes |
| Power and build | |
| Sensor power | CR123A batteries |
| Sensor battery life | About a year or more on three CR123A batteries (included) |
| Operating temperature | -30 to 120°F |
| Warranty | 1 year |
Alternatives in this sensor type
The most capable kit here, for a gated property or business that wants direction-aware phone alerts and outputs to drive other equipment.
Amazon $369.99For a drive with steady traffic where knowing whether someone is coming or going matters, such as a farm or business entrance.
Amazon $329.99Compare
Compare the Dakota Alert DCPA-4k Plus Probe with any other driveway alarm →
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