The product is the perfect introductory system for someone with no dog training collar experience. it's inexpensive, reliable and effective, while providing all the features a higher priced model offers. it offers a user the best in e-collar features, which are: vibration, shock, beep and light. vibration and shock functions come with an adjustable stimulation range of 0-100, ensuring this dog training collar will pinpoint the best stimulation level for your dog. with 330 yard (300 meters) range, rest assured your collar will excell in indoor, backyard and walks in the park training. design wise, it's simple, easy to use and makes the learning process straightforward for a new user.