All kinds of Anti-Bark Collars are available: waterproof, rechargeable, battery power... 1. Waterproof design no bark collar powered by 1*4LR44/6V battery. 2. 7 intensity levels (1-7) for a wide variety of dispositions. 3. 5 sensitivity levels (1-5) adjustable for different dogs and environments. 4. Easy testing method to check the No Bark Collar. 5. 1 minutes auto-protection mode after 5 times work. 6. Durable and adjustable TPU strap (length from 18cm to 68cm). 7. Patented design and CE Approval with RoHS appliance.