[Fits Dogs All Sizes] 24-Inch Dog bark collar with 2 humanized stop-barking mode for small medium large dogs from 8 lb to 120 lbs, for puppies too long collar can be cut off. 0-5 adjustable sensitivity levels, the first time you use it, please be sure to adjust the sensitivity to the most suitable for your dog. If it doesn't activate when barking, please increase the sensitivity, if triggered by other barks, reduce sensitivity.
[Smart "Variable Sound" Bark Collars] When the smart collar is triggered, the warning sound frequency will increase in sequence with 6 levels, the sound training effect is more significant.
[Intelligent Anti-Interference] With smart sensor and voice recognition chip, only be triggered when detect your dog's barking and shake, no more other nearby dogs barking or other soundes will activate collar.
[IP7 Waterproof] The bark collar waterproof level is IP67 which can be used anywhere.
[5V Charge Overload Protection] 300mAh Li-on battery, Charging for 2-3 hours, available for 15 days. Limited charge voltage of adapter need under 5V when up to 5V, warning beeping tone continuously.