FULNIX DA01 Solar 2-Sensor Kit
A two-sensor solar kit with a carry-anywhere receiver, for people who want to hear the driveway from the garage or yard.
Amazon $62.99$62.99
The FULNIX DA01 Solar 2-Sensor Kit rates 4.0 among motion and beam sensors driveway alarms; the Dakota Alert Smart DUAL Probe 4000 rates 3.4 among vehicle-only sensors ones. The FULNIX DA01 Solar 2-Sensor Kit costs $307 less ($62.99 vs $369.99).
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 Smart DUAL Probe 4000
The most capable kit here, for a gated property or business that wants direction-aware phone alerts and outputs to drive other equipment.
Amazon $369.99$369.99
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 | FULNIX DA01 Solar 2-Sensor Kit | Dakota Alert Smart DUAL Probe 4000 |
|---|---|---|
| Overall rating | 4.0/5 | 3.4/5 |
| Wireless range 30% | 78 3,000 ft claimed wireless range | 100 1 mile claimed wireless range |
| Value 25% | 91 $31.50 per sensor ($62.99, 2 sensors) | 0 $369.99 per sensor ($369.99, 1 sensor) |
| Features 25% | 60 solar-charged sensor, battery-powered receiver, per-sensor alerts, adjustable sensitivity, published IP rating | 50 phone alerts over Wi-Fi, relay or 12 V output, per-sensor alerts |
| Expandability 10% | 100 up to 84 sensors per receiver | 75 up to 16 sensors per receiver |
| Warranty 10% | 0 warranty not published, scored as none | 33 1-year warranty |
Specifications
| FULNIX DA01 Solar 2-Sensor Kit | Dakota Alert Smart DUAL Probe 4000 | |
|---|---|---|
| Detection | ||
| Sensor type | PIR motion | Magnetic probe |
| Detection distance | 55 ft | - |
| Adjustable sensitivity | Yes | - |
| System | ||
| Wireless range | 3,000 ft (claimed) | 1 mile (claimed) |
| Sensors in box | 2 | 1 |
| Receivers in box | 1 | 1 |
| Sensors per receiver | Up to 84 | Up to 16 |
| Price per sensor | $31.50 | $369.99 |
| Alerts | ||
| Phone alerts (Wi-Fi) | No | Yes |
| Receiver power | Portable, rechargeable | Plug-in |
| Relay or 12 V output | No | Yes |
| Per-sensor alerts | Yes | Yes |
| Power and build | ||
| Sensor power | Solar, rechargeable | CR123A batteries |
| Sensor battery life | Up to 2 years per full charge (2,500 mAh), solar or USB-C | A year or more on three CR123A batteries (included) |
| Weather rating | IP65 | - |
| Operating temperature | - | -30 to 120°F |
| Warranty | - | 1 year |