The Premier Pet® Spray Bark Collar provides the safest and most reliable bark detection available. This anti-bark product with its patented technology, releases a gentle mist that distracts your dog and safely interrupts any unwanted barking. The unique sensor also ensures only your dog’s barking will activate the collar. The collar works with unscented or citronella spray cartridges, which are both safe for your pet, easy-to-use and simple to replace.