Features:-It features three ultrasonic frequencies (fixed 25kHz, variable 20-30kHz and random 15-30kHz), a buzzer mode (three levels), and a flashlight mode (two modes), which can be used alternately for optimal results.-Equipped with a high-definition color screen, clearly displaying modes and battery status, it allows for quick and intuitive training adjustments. -Equipped with three high-power ultrasonic transmitters, it can prevent various interferences, has a wider coverage area, and is more effective. Suitable for 97% of dogs of different sizes aged 6 months to 8 years.-Perfect for home use, walks, and more, allowing you to flexibly control your dog in any environment and effectively correct barking, jumping, and other undesirable behaviors.-It f.
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