D.T. Systems Big Dog Bark Collar-Black

This full size no-bark trainer uses a standard 9V user replaceable battery and is completely waterproof.

Features:

• Nine adjustable levels of intensity
• Fits medium to extra large Dogs
• Uses a Standard 9 Volt battery (not included)
• Automatic four-second safety delay
• Vibration Sensor only picks up vocal cord vibrations eliminating unnecessary “shock” from extraneous noises or dog’s tags