The Innotek Anti-Bark Spray Collar technology for the fast and painless solution to excessive barking. Combining modern electronics and dog training modification techniques this bark collar will stop excessive barking. The Multivet Anti Bark Gentle Spray Collar is effective, safe and painless. It needs no human intervention to work and has no secondary negative effects. In fact the spray dog barking collar has a calming effect. The collar is comfortable and will fit dogs of all sizes. NOTE: Does not include Citronella Refill !!! You will save more than 15$ in Buying our Device and Citronella refill from another Merchant.