PetSafe Ultrasonic Dog Remote Trainer Furniture Spring-loaded height adjusts automatically from

Spring-loaded height adjusts automatically from 76 3/4" to 81"

Solid brass grommets

and training features such as Jump and Rise training aids

Sound sensor detects bark

3 distances barking detection: up to 5 meters

PetSafe Ultrasonic Dog Remote Trainer Furniture Spring-loaded height adjusts automatically fromCollarless Ultrasonic Remote Trainer takes advantage of your pet's sensitive hearing with a sound that is beyond the range of humans. When the system emits its ultrasonic sound, your furry friend will understand that you want him to stop whatever he is doing. The system also has a positive tone to reward good behaviors as well as a negative tone to counter undesirable ones. Features: For dogs of any size Ultrasonic sound only your dog can hear