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Master Lock Trailer Sentry Boat Trailer Anti-Theft Alarm System
# 4840DATSEN

Price: $61.81
MSRP: $72.95
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  • Provides electronic security through a 110 decibel alarm that sounds when the trailer wiring is cut or disconnected
  • Acts as a power module to deliver needed power directly to the trailer from the vehicle battery
  • Alarm mounts under the hood and power module mounts under vehicle with a voltage sensor to prevent battery run down
  • Also detects if a light is burnt out
  • Allows the user to cut off power supply to rear tail lamps when backing the trailer into the water. Power will remain off for 15 minutes or can be activated through the remote
  • Works with any existing alarm system