The RWA300RLM Vehicle and Pedestrian Alert System is an audio-visual system that prevents unexpected arrivals at your property.  The Alert System detects movement up to 30 feet away and the base station can be located up to 900 feet from the sensor.  The fact that this system is so easy to install allows you to set it up according to your individual preferences, putting your mind at ease and allowing customers to feel more protected within the property.