This handheld ultrasonic dog repeller offers a humane, shock‑free way for dog behaviour correction and anti‑barking training. Powered by a built‑in 300 mAh lithium‑ion battery, it only takes 1‑2 hours for full USB charging and supports up to 12‑day standby for daily outdoor and home use.

Equipped with three adjustable frequency modes: fixed frequency, frequency hopping and frequency conversion, paired with beep sound and ultrasonic dual‑working keys, it adapts to dogs of different sizes and temperaments. The LED indicator shows working and low‑battery status clearly. Designed with a hand‑strap hanging hole for easy carrying during walking, jogging or travelling. Safe for pets and humans, no electric shock, no pain. A practical training helper to stop unwanted barking and misbehaviour.