1/2 Mile Supplemental Driveway Alarm Solar Receiver (1 Receiver only)

Weatherproof outdoor solar sensor with adjustable sensitivity control.
The solar sensor could be placed up to 1500 feet from the base unit easily.
Alerts with light and sound when vehicles or pedestrians approach within a 30 feet radius.
Expandable up to 4 solar sensors and unlimited receivers, it is perfect for home, business, property, and worksite.
Super simple to set up. Takes only a few minutes to set up. Easy do-it-yourself installation.
Detects motion in up to 4 different zones, Low battery indicator included.
Note: ac adapter is not included