The BP-504 Anti Bark Collar uses our proprietary ABST technology (Advanced Bark Suppression Technology) to control < nuisance barking while allowing for protection barking.  Choose the stimulation level and sensitivity level best suited for your dog.  Full one year warranty.  Assembled in the USA.

3 Sensitivity Levels 9 Stimulation Levels Automatic mode Optional warning tone Rechargeable Lithium=Polymer battery will last days between charges. 2-hour quick charge.