Mighty Mule Vehicle Sensor Exit Wand with 150' Cable | LIN-FM141 The Mighty Mule FM141 Exit Wand with 150 ft. of low-voltage wire automatically activates gate operators "Hands-Free" when a vehicle approaches. Designed for residential, agricultural, and commercial applications. The Mighty Mule FM141 Exit Wand with 150 ft. of low-voltage wire automatically activates a gate opener when a vehicle exits the property. Compatible with ALL gate operators. Easy to install! Detects vehicles in motion much like a loop system without the need to cut the driveway! Features Dimensions: 1.75" diameter x 16.75" long Rejects line noise of 50 Hz or 60 Hz Improved detection capability near power lines Adjustable sensitivity from 3 ft. to 12 ft. radius Relay latch time of 2 seconds. May not be used as a safety device 1.5 mA current consumption makes it perfect for solar panel use Input voltage from 8-32VAC or 8-26VDC Compatible with ALL gate operators