DT’s long range Super Pro Trainer - SPT2400 Series system with built in (backlit) LCD screen gets the call from professional trainers when only the best will do. The SPT2420 one dog system (two dog unit is the SPT2422) is a 3.2 mile, 50 level remote trainer with Nick, Continuous, Jump stimulations, Vibration Assist, and Vibration Stimulation (V S).  When long range dog training is a must, the Super Pro Trainer is the tool for the job.