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 2.9. The Betterlink NS001 Solar 4-Sensor Kit leads on value and expandability. The HTZSAFE Solar Beam 4-Zone Relay wins on features. The Betterlink NS001 Solar 4-Sensor Kit costs $40 less ($109.99 vs $149.99).
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 4-Zone Relay
A solar beam kit for someone wiring driveway zones into an existing alarm or automation system.
Amazon $149.99$149.99
Which should you buy?
- Choose the Betterlink NS001 Solar 4-Sensor Kit for value ($27.50 per sensor ($109.99, 4 sensors) vs $149.99 per sensor ($149.99, 1 sensor)) and expandability (up to 16 sensors per receiver vs up to 4 sensors per receiver).
- Choose the HTZSAFE Solar Beam 4-Zone Relay for features (relay or 12 V output, solar-charged sensor, per-sensor alerts vs solar-charged sensor, published IP rating).
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 4-Zone Relay |
|---|---|---|
| Overall rating | 3.6/5 | 2.9/5 |
| 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) | 28 $149.99 per sensor ($149.99, 1 sensor) |
| Features 25% | 25 solar-charged sensor, published IP rating | 40 relay or 12 V output, solar-charged sensor, per-sensor alerts |
| Expandability 10% | 75 up to 16 sensors per receiver | 25 up to 4 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 4-Zone Relay | |
|---|---|---|
| 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 4 |
| Price per sensor | $27.50 | $149.99 |
| Alerts | ||
| Phone alerts (Wi-Fi) | No | No |
| Relay or 12 V output | No | Yes |
| Per-sensor alerts | - | Yes |
| Power and build | ||
| Sensor power | Solar, rechargeable | Solar, rechargeable |
| Sensor battery life | Solar-charged battery, also charges over USB-C | Battery powered and solar charged |
| Weather rating | IP65 | - |
| Operating temperature | -4 to 140°F | - |