A one-mile motion kit with a relay-equipped receiver, for buyers who want a chime now and the option to wire in lights or a siren later.
Amazon $74.99
A four-sensor solar kit whose sensors can also scare off visitors with their own siren and light.
- PIR motionSensor
- 2,640 ft (claimed)Wireless range
- 4Sensors in box
- Chime receiverAlerts
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
- Four IP65 solar sensors in the box
- Each sensor can sound its own 120 dB alarm and light, with or without the receiver
- Receiver takes up to 16 sensors
- Detects only 30 ft out
- No phone alerts
- Warranty not published in the listing
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its sensor type. How we rank explains each one.
Specifications
| Model number | AU-NS001-1R4S |
|---|---|
| Detection | |
| Sensor type | PIR motion |
| Detection distance | 30 ft |
| System | |
| Wireless range | 2,640 ft (claimed) |
| Sensors in box | 4 |
| Receivers in box | 1 |
| Sensors per receiver | Up to 16 |
| Price per sensor | $27.50 |
| Alerts | |
| Phone alerts (Wi-Fi) | No |
| Relay or 12 V output | No |
| Power and build | |
| Sensor power | Solar, rechargeable |
| Sensor battery life | Solar-charged battery, also charges over USB-C |
| Weather rating | IP65 |
| Operating temperature | -4 to 140°F |
Alternatives in this sensor type
Four solar motion sensors for watching a driveway, gate, path and shed at once, with nothing to recharge.
Amazon $119.99The cheapest way to get driveway alerts on your phone with two solar sensors, for a home on 2.4 GHz Wi-Fi.
Amazon $89.99Compare
Compare the Betterlink NS001 Solar 4-Sensor Kit with any other driveway alarm →
More from Betterlink: every Betterlink product ranked.