Humane 3-Mode Barking Control & Training:Safely stop excessive barking and correct unwanted behaviors with 3 gen32.5ft Wide Coverage with Dual Ultrasonic Heads:Dual ultrasonic heads emit 25KHz ultrasound (116dB @ 1m) for reliable deterrence up to 32.5ft, ideal for home, yard, and outdoor dog training.Long Battery Life with Fast Charging:950mAh rechargeable battery delivers 20+ days of use on a 2-hour charge, with overcharge/over-discharge protection for consistent, safe performance.Portable, Durable Handheld Design:Lightweight ABS body with an ergonomic grip and included wrist strap, easy to carry for on-the-go barking deterrence and pet training.PATPET Trusted Pet Brand Quality:Humane, pet-safe design meets strict quality standards, backed by reliable after-sales support for worry-free use.