The Petsafe Nano collar is the the smallest bark collar available. It is meant for very small dog and up to 55 lbs.

It features the Patented Perfect Bark technology to ensures your dog's bark is the only sound that will cause the correction.

The collars has an automatic Correction Level adjustment called Temperament Learning with ten levels of Light-Touch correction.

It also comes with a QuickFit™ buckle that provides a quick release and perfect fit every time (patent pending)

The Receiver Collar is Durable and waterproof.

Two color LED for good/low battery indicators are buit into this unit.

This unit comes with a Lifetime Limited Warranty.