You are looking at an ideal Remote Electric Dog Training Collar which has 2 levels of vibration and whistle. The advanced device has a control range of 150 yard. It has LED signal light and illumination at night. Maybe many dogs simply do not respond to traditional training methods, that is why thousands of owners and professional trainers have used training collars to assist them in their training programs. As it is known, an out-of-control dog can be a danger to themselves and others. Training collars can help you achieve a well trained and contented dog within days.