Dog Repeller Ultrasonic Dog Training DeviceIntroducing our cutting edge Dog Trainer & Protector, an unparalleled solution to bark control and canine behavior enhancement. Expertly engineered with two ultrasonic modes that emit a frequency range of 23 30 kHz, this device also boasts a distinct sound mode to catch your pet's attention. Unique to our design, the triple emitter outputs ultrasonic waves from three distinct points, ensuring wider coverage and effective training for dogs weighing