Features: Built in Magnetic ON/OFF system. 8 different intensity levels. Vibration Sensor only picks up vocal cord vibrations eliminating unnecessary "shock" from extraneous noises or dog's tags. Data Memory System saves last used intensity setting. Completely waterproof. Digital system with micro-processor Adjustable collar fits extra small to extra large dogs Replaceable 6 volt battery System delivers 1/2 second corrective stimulation Automatic three-second safety delay

Features: Built in Magnetic ON/OFF system. 8 different intensity levels. Vibration Sensor only picks up vocal cord vibrations eliminating unnecessary "shock" from extraneous noises or dog's tags. Data Memory System saves last used intensity setting. Completely waterproof. Digital system with micro-processor Adjustable collar fits extra small to extra large dogs Replaceable 6 volt battery System delivers 1/2 second corrective stimulation Automatic three-second safety delay