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 3.7. The FULNIX DA01 Solar 2-Sensor Kit leads on value, expandability and features. The Dakota Alert SMA-4000 Smart wins on wireless range. The FULNIX DA01 Solar 2-Sensor Kit costs $42 less ($62.99 vs $104.99).
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 SMA-4000 Smart
The motion kit to get if you want driveway alerts on your phone as well as a chime, with Dakota Alert’s one-mile radio.
Amazon $104.99$104.99
Which should you buy?
- Choose the FULNIX DA01 Solar 2-Sensor Kit for value ($31.50 per sensor ($62.99, 2 sensors) vs $104.99 per sensor ($104.99, 1 sensor)), expandability (up to 84 sensors per receiver vs up to 16 sensors per receiver) and features (solar-charged sensor, battery-powered receiver, per-sensor alerts, adjustable sensitivity, published IP rating vs phone alerts over Wi-Fi, relay or 12 V output, per-sensor alerts).
- Choose the Dakota Alert SMA-4000 Smart 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 SMA-4000 Smart |
|---|---|---|
| Overall rating | 4.0/5 | 3.7/5 |
| 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) | 42 $104.99 per sensor ($104.99, 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 SMA-4000 Smart | |
|---|---|---|
| Detection | ||
| Sensor type | PIR motion | PIR motion |
| Detection distance | 55 ft | 100 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 | $104.99 |
| 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 | 9 V battery |
| Sensor battery life | Up to 2 years per full charge (2,500 mAh), solar or USB-C | A year or more on one 9 V battery |
| Weather rating | IP65 | - |
| Operating temperature | - | -30 to 120°F |
| Warranty | - | 1 year |