is committed to investing in the development of quality canine training. We are constantly learning and optimizing and striving to create an effective line of training collars and pet supplies. By combining our knowledge of pet psychology with the latest technological advances, our goal is to strengthen the bond between you and your pet. Recommended training steps: When a dog is misbehaving: 1.Use Beep mode to warn the dog with sound; 2.If the dog does not react, use the Vibration mode; 3.Vibration mode can have a good training effect for some dogs and stop their bad behavior. If the dog does not react to the vibrations, use the electric shock mode for a short time (the intensity is adjustable, which is completely safe for the dog). After receiving the various training warnings, the dog can stop his bad behavior whenever he hears the warning sound. In general, you will no longer need to switch to vibration or electric shock modes. Safety lock The keypad can be locked to prevent