Premier Spray Sense 6 Volt Battery - 2 Pack Bundle with **BONUS** Designed for use in SpraySense Anti-Bark Collars Virtual Fence Outdoor containment system that gives your dog freedom and safety within your property boundaries without fences, chains or kennels. 6 volt batteries to be used with Gentle Spray Anti Bark Collar and Spray Commander. Includes Bonus Exclusive Magic Pencil