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Master Lock Trailer Alarm System
Online Item #: 0000000003830
Currently unavailable.
We don't know when or if this item will be back in stock.
  • Trailer Alarm System
  • Mfr. item number - 4840DAT
  • Alarm mounts under hood
  • Power module mounts under vehicle with voltage sensor to prevent battery run down
  • Detects burned out light
  • Delivers needed power directly to the trailer from vehicle battery
  • Weight: Approximately 6 pounds
  • Shipping Dimensions: Approximately 21 x 21 x 5 inches.

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Tax Exempt
Product Use or Ingredients
Tab 4 - Future Phase
Prefer to place your order by phone?
Reach us at 877-633-7456 M-F 7:00am - 6:00pm Central Standard Time.

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