Tri-Tronics-Product No. 5710100

The Pro 100 G3®EXP® is the right choice for professionals and serious amateur trainers. The Pro 100 with its fingertip low, medium and high control is perfect for trainers who need the ultimate in versatility when training with continuous stimulation.
The Pro 100 G3®EXP® is field expandable to control up to three dogs (additional Collars purchased separately).