Dakota Alert DCMA-4k Plus
A one-mile motion kit with a relay-equipped receiver, for buyers who want a chime now and the option to wire in lights or a siren later.
Amazon $74.99$74.99
The Dakota Alert DCMA-4k Plus rates 3.6 among motion and beam sensors driveway alarms; the Dakota Alert DCPA-4k Plus Probe rates 3.3 among vehicle-only sensors ones. The Dakota Alert DCMA-4k Plus costs $185 less ($74.99 vs $259.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Dakota Alert DCPA-4k Plus Probe
The classic buried-probe kit for a long rural drive where you want to hear about cars and trucks and ignore wildlife.
Amazon $259.99$259.99
Scores side by side
These two sit in different sensor type classes (motion and beam sensors and vehicle-only sensors), and each is scored against the reference points for its own class, so a rating says how well each does among its own sensor type peers. How we rank explains each factor.
| Factor weight | Dakota Alert DCMA-4k Plus | Dakota Alert DCPA-4k Plus Probe |
|---|---|---|
| Overall rating | 3.6/5 | 3.3/5 |
| Wireless range 30% | 100 1 mile claimed wireless range | 100 1 mile claimed wireless range |
| Value 25% | 56 $74.99 per sensor ($74.99, 1 sensor) | 6 $259.99 per sensor ($259.99, 1 sensor) |
| Features 25% | 25 relay or 12 V output, per-sensor alerts | 35 relay or 12 V output, per-sensor alerts, adjustable sensitivity |
| Expandability 10% | 75 up to 16 sensors per receiver | 75 up to 16 sensors per receiver |
| Warranty 10% | 33 1-year warranty | 33 1-year warranty |
Specifications
| Dakota Alert DCMA-4k Plus | Dakota Alert DCPA-4k Plus Probe | |
|---|---|---|
| Detection | ||
| Sensor type | PIR motion | Magnetic probe |
| Detection distance | 100 ft | 10 ft |
| Adjustable sensitivity | - | Yes |
| System | ||
| Wireless range | 1 mile (claimed) | 1 mile (claimed) |
| Sensors in box | 1 | 1 |
| Receivers in box | 1 | 1 |
| Sensors per receiver | Up to 16 | Up to 16 |
| Price per sensor | $74.99 | $259.99 |
| Alerts | ||
| Phone alerts (Wi-Fi) | No | No |
| Receiver power | Plug-in | Plug-in |
| Relay or 12 V output | Yes | Yes |
| Per-sensor alerts | Yes | Yes |
| Power and build | ||
| Sensor power | 9 V battery | CR123A batteries |
| Sensor battery life | A year or more on one 9 V battery (not included) | About a year or more on three CR123A batteries (included) |
| Operating temperature | -30 to 120°F | -30 to 120°F |
| Warranty | 1 year | 1 year |