Hosmart Half-Mile 4-Sensor Kit
A four-sensor battery kit with the longest published warranty here, for buyers who would rather swap AAs once a year than rely on solar.
Amazon $131.99$131.99
PIR motion2,640 ft4
1 HOSMART driveway alarm ranked. Each one is scored and ranked against every brand in its sensor type, so "#3 mid-size" means third of all mid-size driveway alarms here, not third among HOSMART's own.
The Hosmart Half-Mile 4-Sensor Kit is HOSMART's only current driveway alarm here, ranked #4 of 17 motion and beam sensors and rated 3.7.
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.
HOSMART driveway alarms 1
- Hosmart Half-Mile 4-Sensor Kit#4 motion and beam sensorsFull review
A four-sensor battery kit with the longest published warranty here, for buyers who would rather swap AAs once a year than rely on solar.
Amazon $131.99$131.99PIR motion2,640 ft4