Now you can experience the difference a rechargeable remote training collar can make. Spend less time training and more time enjoying your dog. This Doc collar has 4 training modes: static shock, vibration, beep and light. The Rechargeable Remote Training Collar is easy to use with an advanced digital display that tells you exactly what level of shock/ vibration you are using. Featured power saving design with automatic standby and memory function. Using Rechargeable Remote Training Collar consistently and correctly you can teach any basic obedience commands and correct many misbehaviors.