Say goodbye to excessive barking with the PATPET A12 Waterproof Electronic Smart Shock Training Dog Collar. This innovative collar trains your furry friend to control his barking with different modes that can be tailored to your needs. With beep, vibration, and static shock functions, as well as an automatic mode, you can choose the best method for your pup. And with five shock levels to choose from, you can customize the collar to your barking buddy’s needs. The shock metal sheet adds comfort, and the waterproof design makes it safe to use outdoors. Plus, the collar automatically adjusts to your furry friend's voice and frequency. With a built-in waterproof ring and high-sensitivity design, this collar is both accurate and reliable.