This wireless driveway alarm detects people, vehicles or animals and sends an alert message to the receiver. Operates on 65 AA alkaline batteries and battery life is about one year under most conditions. Real time monitoring of remote locations up to several miles away (actual range varies depending on local terrain. Average range is up to 4 miles.) Transmitter is capable of sending four different alert messages to the receiver. 5 channels and 38 sub-channels help eliminate interference from other users.
