Solar Driveway Alarm 1/2 Mile Long Range - 1 Receiver + 4 Sensors Outdoor Weatherproof Wireless Motion Sensor&Detector- Portable Receiver Has Long Last Backup Battery- DIY Security System

Solar Powered, No Need to Replace Batteries - The solar wireless driveway alarm system contains the solar powered driveway sensor and the practical portable receiver. The outside weatherproof motion detector is powered by a built-in rechargeable battery and will be charged by the solar panels even on rainy and cloudy days. Fully Expandable System - Expandable up to 4 motion sensors and unlimited receivers for complete coverage of your property, and you can match a different melody with different sensors to differentiate where motion is being detected (such as the melody for the driveway alert is "Driveway", and for the backyard alert is "Dog Barks").

The plug-in receiver has a built-in rechargeable battery which can work even if AC power goes out. It has 35 optional melodies and 5 adjustable volume levels. 1/2 Mile Long Wireless Range - Both the solar motion detector and plug-in receiver pick up alarm signals up to 1/2 mile long range away (actual range will vary depending on the local terrain). It is a great solution even if you have a large perimeter or property to monitor. 70-Ft Long Motion Detection Range - The solar motion detector will detect moving people or vehicles from 25 feet to 70 feet in front of it.

It has 3 adjustable sensitivities (Low=25ft; Medium=50ft; High=70ft), ideal for driveways, walking paths, yard, garage, gate, pool and anywhere of your outdoor properties you want to be alerted. Super Easy To Install - Ready to work right out of the box, plug and play system. Plug the receiver into the outlet and place the solar motion detector on walls, fence posts, trees, or any other surface. The installation time can be as little as a few minutes