MARINE ALERT

SECURITY DEVICES FOR A WATERCRAFT, COMPRISING A RADIO FREQUENCY RECEIVER, A TELEPHONE AUTODILER AND AN ALARM AS A BASE UNIT, A RADIO FREQUENCY TRANSMITTER AND PASSIVE MOTION DETECTOR AS A REMOTE UNIT, AND HEAT DETECTORS, WINDOW SENSORS, DOOR SENSORS, WATER SENSORS, INSTRUMENT SENSORS, MOORING LINE SENSORS AND ALARM PAGERS