Alerts you with light and sound when people or vehicles approach your home and property. Box contains 1 base station, 1 motion sensor, 1 AC adapter, mounting hardware, and non-slip feet.Detects motion up to 30 feet away with wide 120 degree coverageTransmits signal to base up to 900 feet awayMotion sensor features adjustable sensitivity control to prevent false alarms from small animalsDetection indicators with light and soundPortable and lightweight for use inside or out