Our dog training collar is equipped with 3 efficient and safe training modes(beep, vibration and static shock) for you to teach dog basic obedience commands and correct undesirable habits. 0-16 adjustable levels of shock and vibration for you to freely control in a receiving range of 2624FT. IP67 waterproof level and durable ABS material ensure long lifespan and can be used in rainy weather or wet grass. After correct and careful training, you will have an obedient and cute dog.