The BP-504 Anti Bark Collar uses E-Collar Technologies' 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. Not recommended for dogs under 5 pounds. Full one-year warranty. Assembled in the USA.
Owner's Manual: E-Collar Technologies BP-504 Owner's Manual