The PetSafe premium bark collar features 6 levels of static correction that automatically adjusts to your dog's temperament, starting at the lowest level. The correction level increases progressively with continous barking. The static correction turns off automatically if dog barks over 15 times in 50 seconds, then resets after 3 minutes. The collar is waterproof and includes 6-volt battery. Recommended for dogs over 8lbs.

Features:

• Recommended for dogs weighing 15 to 120 lbs.
• Lightweight 2.3 oz. receiver is great for toy or small breeds.
• 6 levels of progressive correction.
• New technology senses the vibrations in dog's throat, then unit provides warning beep with first bark.
• Automatic shut-off feature if do continues to bark more than 15 times in 50 second period.
• Adjustable collar
• Water resistant receiver
• Two sets of stimulation probes (for long or short fur)
• Magnetic (stimulation adjuster) key chain
• Two vibration probes
• 6-volt battery included (RFA-67D-11)
• Complete installation and training instruction included

Product Specs: 1.75W x 1L x 1.25H