MIGHTY MULE FM231 WIRELESS DRIVEWAY ALARM VEHICLE DETECTION ALERT NEW

-TAKES 2 AA BATTERIES (NOT INCLUDED)

-ELECTROMAGNETIC TECHNOLOGY DETECTS VEHICLES ENTERING AND EXITING THE DRIVEWAY, AND ALERTS U WITH AN INDORR CHIME

-DOES NOT DETECT PEOPLE, ANIMALS OR WIND

-UP TO 400FT RANGE FROM INDOOR RECEIVER TO DRIVEWAY SENSOR TRANSMITTER