Ultrasonic 3 in 1 Dog Barking Deterrent Devices, 3 Frequency Dog Training Blue

Multi‑mode ultrasonic training: 3 adjustable ultrasonic frequencies (Stable / Undulating / Irregular) plus beep tone, helps correct bad dog behaviours and excessive barking
Built‑in High‑Power LED Flashlight: Short press for steady light, long‑press for flashing mode; ideal illumination for night‑time dog walking
Rechargeable 300mAh lithium battery: Full charge within 1‑2 hours, supports up to 12‑days usage; no frequent battery replacement required
Lightweight ergonomic handheld design: Only 1.9 ounces, compact size for one‑hand easy operation; portable lanyard hole for easy carry, suit indoor outdoor training
Safe for most dogs: Suitable for all‑size dogs aged 6 months up to 8 years old; harmless ultrasonic correction without electric shock

Refund note: Only return the product cost, not refund the freight!!!

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