Hi there i was having issues with my rescued white shepherd CODY who has had trauma (hit with a broom) to the head FROM bad people who were trying to train him by doing this action ...during his rehabilation he becomes anxious if i am not there and barks..Our nieghbour is not so understanding. The DOGLINE WAS AWESOME...our first collar i chose and Cody bear learnt how to control it so he could do a half hearted bark...i found a small issue battery i think and rang the team sent collar back and was advised for this type of dog issue to go to the bark pro. ....the team have been helpful and neighbour saving ...thankyou from Codybear and Carolyn