Masters Jolt Electro Puppy Trainer Collar With Padlock & Remote With A Range Of Up To 800 Feet (Black)

This devious trainer device provides plenty of shock for your trainee. Offers effective training via electro stimulation vibration audio tones and visual cues. There is a corresponding button for each training method on the long-range wireless remote. Works up to 800 feet away. The adjustable rolling buckle supports a padlock (sold separately) for the option to turn this into a locking collar. Fits necks up to 20 in. circumference. Controller requires 9V battery not included.