1.Material: plastic; The color black; Frequency: 25KHz; Sound pressure: 130d2.Features: Ultra-sonic dog repellent banishment training device trainer with LED light. What can you do when your dog starts barking nonstop? With the ultrasonic dog trainer you can train your pet to obey, correct bad behavior and stop barking. 3. Simply flip the switch and use Effective, yet safe for humans and pets Carry strap Compact, convenient and easy to use 4. A must-have item for pet owners Perfect for training all kinds of dogs such than those used as pets, in the police and for the shepherd