With the Deluxe System from PetSafe you can apply an annoying but safe stimulus for correction on your big friend. This Dog Trainer system comes with a remote control and two dogs can be placed on one system by purchasing an additional collar and setting the remote on two-dog-trainer mode. The remote can work up to 900 meters. The user can either apply a static correction or a audible tone correction. With PetSafe products time and money is spent on recearch and testing to ensure the safest pet control and correction possible with most effective results. Help your big boy be trained in no time.