... UW-DBS-001 No harm lemon mist-spray liquid nylon dog bark stop collar,dog training collar,dog ... long-time training is needed.The purely natural mist liquid is used for warning, no harmful to dogs, ... life of battery is up to 2400h.•lemon mist liquid is made of purely natural lemon essential oil, ... without CFC. •mist liquid has no harm and side-effect for humans and ...