Sport Dog Sport Dog's line of electronic training products are refreshingly easy to use, and not overdesigned. More range. More features. More durability. Sound too good to be true? It's not, and Sport Dog backs up these promises with its lifetime limited warranty. The ideal choice for training around the house or the yard, and for basic obedience training. 100-yard range with 8 levels of stimulation; waterproof receiver; water-resistant transmitter. ''S'' model features extra power for stubborn dogs.