If your pet pooch needs to learn a few manners when theyre embarking on outdoor adventures, the PetSafe 900 Yard Remote Trainer can help you correct medium and large-sized dogs behavior with the push of a button. The digital remote and collar allow pet parents to train their tail-waggers off-leash and stop them from lunging, digging, chewing or other unwanted canine conduct. Safely correct your pups behaviors within a 900 yard range using tone (beep), vibration and 15 adjustable levels of static stimulation (including a safety lock feature for higher levels). Both the remote and collar charge within 2 hours, have a battery life up to 40 hours and include a quick-charging adaptor. The digital remote is easy to read and has 2 separate buttons for tone and stimulation. The waterproof training collar fits dogs 8 pounds and up with neck sizes 6-27 inches. Train 2 dogs with one remote with an extra collar (sold separately). The trainer is perfect for any outdoor adventure, including running, walking or hiking. PetSafe brand is here to help you and your pet live happy together.