Dog Training Collar Rechargeable Waterproof Training Device Anti-Barking Smart Barking Prevention Automatic Supplies Training Aids2021 New 2 in 1 bark stop remote control dog trainer Main features 1. The remote control transmitter is flexible and compact, integrating remote control and automation, and is easy to use. 2. The receiver can be used normally when the dog drinks water or on rainy days. 3. The gear of vibration and static electricity can be adjusted. Please select the appropriate gear when using it for the first time. During the trial, 1 to 20 gears will increase step