Master Lock’s Starter Sentry Products

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  • Proven Security
  • Failsafe
  • Arms & Disarms Automatically
  • No Tools Required
  • No Wires To Cut Or Splice
  • Install In Minutes
  • Fits Most Vehicles
  • Learn more
Master Lock Starter Sentry® is a revolutionary new vehicle anti-theft system. It prevents a thief from starting the car; even if they jam the lock, hot wire the ignition, or use a duplicate key.