[3 Optional Modes, Effective Anti Barking] The electric dog bark collar has 3 types of stimulation - Beep/Vibration/Shock which allows you to choose the stimulations suitable for your dog. There are 7 sensitivity levels that you can adjust according to the size of your dog. The automatic anti bark collar works from a slight stimulation and automatically maintains or increases the stimulation level according to the dog's response. [Replaceable Conductive Columns & Adjustable Strap] This anti bark collar is suitable for all dogs. Thanks to the 2 pairs of conductive columns, this anti bark collar is suitable for both long-haired and short-haired dogs. The anti bark collar for long-haired dogs in the appearance of a football is flat on the side near the neck, it is lightweight and therefore comfortable to wear. The strap is adjustable for small/medium/large dogs from 5 to 65 kg with neck size from 12 to 58 cm. [Smart Chip with Auto-Protection Mode] Thanks to a smart chip that filters out