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

Price: $57.51
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