The collar for small dogs of 5-15 lbs, with a strong, reliable vibration function, without electric shocks and with sharp points, it will not hurt the dog, it is safer to use Anti-collar -reincarcerable barking, charged at the door for 1-2 hours and works for about 15 days, IP67 waterproof dog collar can be used outdoors in any weather Il s'agit d'un anti- barking equipped with sensors and an intelligent chip, which detects the dog's barking at a certain frequency and decibels, and detects false sounds or other dogs. Il est nécessaire d'utiliser des cailloux de taille mica de 5 à 15 lbs, avec des dimensions égales de 6 pans de 20 pouces, idéal pour garder un chien en place pour des cains de mica de prec pour un chihuahua. The no-bark collar for dogs has 5 sensitivity levels that can be easily adjusted to match ambient noise