If your pet pooch is a sensitive, shy introvert or a self-assured little dog who needs to learn some social graces around the house or in the backyard, the PetSafe 300 Yard Lite Remote Trainer can help you gently correct their behavior with the push of a button. The trainers digital remote and collar allow pet parents to train their shy tail-waggers off-leash and help stop them from lunging, digging, chewing and other unwanted canine conduct. Safely improve your dogs behaviors within a 300 yard range using tone (beep), vibration or 1-15 adjustable levels of static stimulation. Theres a safety lock feature for higher levels. The waterproof remote and collar quickly charge within 2 hours using a USB cable (included) and have a battery life up to 40 hours. The lightweight digital remote is easy to read and features 2 separate buttons for tone, vibration and static stimulation. The waterproof training collar fits dogs 8 pounds and up, with neck sizes 6-23 inches. PetSafe brand is here to help you and your pet live happy together.