The Neffco Watchdawg lock installs in a few minutes, and replaces the standard yellow button on your truck with a security option that can't be beat. The Neffco Watchdawg lock is an inexpensive security system for all trucks that use air brakes.

The Watchdawg is the only theft deterrent product on the market that can make all these claims:

• Does not have to be removed for normal use of tractor.
  
• Requires no professional installation.
  
• Can be installed or uninstalled in a few minutes.
  
• Can easily be moved from one truck to another.