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 is the better driveway alarm overall, rated 4.0 to 3.5. The FULNIX DA01 Solar 2-Sensor Kit leads on value and expandability. The Dakota Alert Smart Break Beam 4000 wins on wireless range. The FULNIX DA01 Solar 2-Sensor Kit costs $227 less ($62.99 vs $289.99).
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 Break Beam 4000
A solar break-beam with phone alerts, for covering a wide gateway or property line that a single motion sensor can’t reach across.
Amazon $289.99$289.99
Which should you buy?
- Choose the FULNIX DA01 Solar 2-Sensor Kit for value ($31.50 per sensor ($62.99, 2 sensors) vs $289.99 per sensor ($289.99, 1 sensor)) and expandability (up to 84 sensors per receiver vs up to 16 sensors per receiver).
- Choose the Dakota Alert Smart Break Beam 4000 for wireless range (1 mile claimed wireless range vs 3,000 ft claimed wireless range).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every motion and beam sensors driveway alarm; a clear win is highlighted. How we rank explains each one.
| Factor weight | FULNIX DA01 Solar 2-Sensor Kit | Dakota Alert Smart Break Beam 4000 |
|---|---|---|
| Overall rating | 4.0/5 | 3.5/5 |
| 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) | 1 $289.99 per sensor ($289.99, 1 sensor) |
| Features 25% | 60 solar-charged sensor, battery-powered receiver, per-sensor alerts, adjustable sensitivity, published IP rating | 65 phone alerts over Wi-Fi, relay or 12 V output, solar-charged sensor, 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 Break Beam 4000 | |
|---|---|---|
| Detection | ||
| Sensor type | PIR motion | Infrared break beam |
| Detection distance | 55 ft | 300 ft beam spacing |
| 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 | $289.99 |
| 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 | Solar, rechargeable |
| Sensor battery life | Up to 2 years per full charge (2,500 mAh), solar or USB-C | Battery operated, charged by two solar panels on each beam |
| Weather rating | IP65 | - |
| Operating temperature | - | -30 to 120°F |
| Warranty | - | 1 year |