Description

Master Lock 4840DATSEN Trailer Sentry Boat Trailer Anti-Theft Alarm System provides a new solution to protected a trailer to a vehicle by ceaselessly monitoring the trailer’s lighting circuit and triggers a remote alarm if the trailer is disconnected from the vehicle or if the wires are cut. It really works alongside any mechanical security devices to supply a new level of security and convenience.
Provides electronic security through a 110 decibel alarm siren that sounds when the trailer wiring is cut or disconnected and acts as a power module to deliver needed power right away to the trailer from the vehicle battery
Alarm mounts under the hood and power module mounts under the vehicle with a voltage sensor to prevent battery run down and detects if a light is burned out
Revolutionary theft protection in your boat trailer is fully submersible
Trailer lights can also be disconnected by means of the remote even as trailer is submersed in water, features remote lighting cut-off
Includes 1 fob, simple installation