SVAT Electronics Add-on Motion Sensor for Digital Wireless Driveway Alert System with 300' Range

The SVAT Electronics Add-on Motion Sensor is compatible with VIS101 Driveway Alert System. Always be aware when invited guests or unwanted trespassers visit your property or enter a restricted area. The system has the ability to expand and hold up to three motion detectors connected to one parent unit at once so you can easily protect more areas of your property.