The sensor still talks to the receiver by radio. The receiver joins your home Wi-Fi and passes each alert on to an app, so you hear about a visitor when you are away. Check which Wi-Fi band your router uses: some receivers work only on 2.4 GHz.
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.
Best Driveway Alarms With Phone Alerts: Motion and beam sensors
- Dakota Alert SMA-4000 Smart#1 of 4Full review
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$104.99PIR motion1 mile1 - eMACROS Pro 4 Wi-Fi 2-Sensor Kit#2 of 4Full review
A Wi-Fi solar kit whose base keeps alerting through an outage, for homes where the power drops now and then.
Amazon $99.99$99.99PIR motion2,600 ft2 - eMACROS Pro3 Wi-Fi 2-Sensor Kit#3 of 4Full review
The cheapest way to get driveway alerts on your phone with two solar sensors, for a home on 2.4 GHz Wi-Fi.
Amazon $89.99$89.99PIR motion2,600 ft2 - Dakota Alert Smart Break Beam 4000#4 of 4Full review
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$289.99Infrared break beam1 mile1
Best Driveway Alarms With Phone Alerts: Vehicle-only sensors
- Dakota Alert Smart Rubber Hose 4000#1 of 3Full review
The no-dig vehicle alarm with phone alerts, for a driveway where you want to know about cars and nothing else.
Amazon $189.99$189.99Rubber hose1 mile1 - Dakota Alert Smart Vehicle Sensor 4000#2 of 3Full review
Dakota Alert’s buried vehicle probe with phone alerts, for a property where you want to know about every car without false alarms from wildlife.
Amazon $299.99$299.99Magnetic probe1 mile1 - Dakota Alert Smart DUAL Probe 4000#3 of 3Full review
The most capable kit here, for a gated property or business that wants direction-aware phone alerts and outputs to drive other equipment.
Amazon $369.99$369.99Magnetic probe1 mile1
