The PE-900 1 Dog Pro Educator 1/2 Mile Advanced Training System by E-Collar Technologies is a top-of-the-line pet training aid. This system is designed for dogs 5 lbs and larger and has a range of 1/2 mile, allowing you to train your dog from a distance. The LCD display with backlight provides precise control, and the system offers 256 levels of smooth stimulation for effective training. With 7 stimulation modes to choose from, you can customize the training experience to suit your dog’s needs. The transmitter is capable of controlling 2 dogs at once, and the small and lightweight receiver ensures comfort for your pet. Trust the PE-900 Pro Educator for humane and effective dog training.