Teach your pet obedience with the simple push of a button. The Guardian™ Remote Trainer helps you reinforce obedience commands and stop unwanted behavior from up to 75 yards away. Simply place the receiver collar on your pet and it is activated when you press the buttons on the remote. Your pet's collar will issue an audible tone or a brief static stimulation. You'll be communicating and reinforcing the desired behavior faster and your pet will learn good behavior. Proven safe and effective. Ideal for dogs under 40 pounds. Ranges up to 75 yards. Batteries included. UL listed. 1-year warranty. Imported.