I an really impressed with this dog training collar. It has the setting sound, vibrate and shock. I love that I have the option to get my dogs attention without having to use the dock. But it is nice knowing the dock is available in case I need to do a major behavioral adjustment. My dog responds very well to the sound and we saw immediate results from using the training collar. It gets fantastic range and is very well made and durable. I am very happy with this purchase