Betterlink NS001 Solar 4-Sensor Kit
A four-sensor solar kit whose sensors can also scare off visitors with their own siren and light.
Amazon $109.99$109.99
The Betterlink NS001 Solar 4-Sensor Kit is the better driveway alarm overall, rated 3.6 to 3.3. The Betterlink NS001 Solar 4-Sensor Kit leads on value. The HTZSAFE Solar Beam 300 ft wins on features and expandability. The Betterlink NS001 Solar 4-Sensor Kit costs $10 less ($109.99 vs $119.99).
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.
HTZSAFE Solar Beam 300 ft
A low-cost solar break-beam for covering a wide gate or field entrance, within half a mile of the house.
Amazon $119.99$119.99
Which should you buy?
- Choose the Betterlink NS001 Solar 4-Sensor Kit for value ($27.50 per sensor ($109.99, 4 sensors) vs $119.99 per sensor ($119.99, 1 sensor)).
- Choose the HTZSAFE Solar Beam 300 ft for features (solar-charged sensor, battery-powered receiver, per-sensor alerts vs solar-charged sensor, published IP rating) and expandability (up to 32 sensors per receiver vs up to 16 sensors per receiver).
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 | Betterlink NS001 Solar 4-Sensor Kit | HTZSAFE Solar Beam 300 ft |
|---|---|---|
| Overall rating | 3.6/5 | 3.3/5 |
| Wireless range 30% | 73 2,640 ft claimed wireless range | 73 2,640 ft claimed wireless range |
| Value 25% | 96 $27.50 per sensor ($109.99, 4 sensors) | 37 $119.99 per sensor ($119.99, 1 sensor) |
| Features 25% | 25 solar-charged sensor, published IP rating | 40 solar-charged sensor, battery-powered receiver, per-sensor alerts |
| Expandability 10% | 75 up to 16 sensors per receiver | 100 up to 32 sensors per receiver |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Betterlink NS001 Solar 4-Sensor Kit | HTZSAFE Solar Beam 300 ft | |
|---|---|---|
| Detection | ||
| Sensor type | PIR motion | Infrared break beam |
| Detection distance | 30 ft | 300 ft beam spacing |
| System | ||
| Wireless range | 2,640 ft (claimed) | 2,640 ft (claimed) |
| Sensors in box | 4 | 1 |
| Receivers in box | 1 | 1 |
| Sensors per receiver | Up to 16 | Up to 32 |
| Price per sensor | $27.50 | $119.99 |
| Alerts | ||
| Phone alerts (Wi-Fi) | No | No |
| Receiver power | - | Plug-in with battery backup |
| Relay or 12 V output | No | No |
| Per-sensor alerts | - | Yes |
| Power and build | ||
| Sensor power | Solar, rechargeable | Solar, rechargeable |
| Sensor battery life | Solar-charged battery, also charges over USB-C | Rechargeable battery charged by solar |
| Weather rating | IP65 | - |
| Operating temperature | -4 to 140°F | - |