Amzdeal&reg;New Electric Dog Training Collar Rechargeable Waterproof Dog Trainer Control US This item is an advanced dog trainer which has complete functions. It can receive signal within a rated range of 1000 meters.The shock and vibrate stimulation with multiple intensity corrections levels, there have different stimulation methods. Which could be easily set simply by one press, and for each method you can adjust the stimulation degree simply by rolling the adjustable thumb knob according to your dog's age, breed and weight. Dog training collars help teach all the basics: sit , stay, and heel. Instead of pulling and dragging your dog down a street filled with temptation and distractions, employ a unit to silently and easily correct his behavior. This actual a very effective electronic dog training system. Distance up to 1000 meters. Both vibration and shock are can adjust from the rotating button, available in different intensity levels. Can be used as pulse correction or continuous correction. Continuous correction means the correction will be issued for as long as you press the button.