About This

• 3X Ultrasonic Dog Bark Deterrent Device - Equipped with three ultrasonic emitters, MUIMUICHU Dog Bark Deterrent Device offers wider coverage and faster response than traditional single-emitter models. Training efficiency is improved by up to 3×, effectively correcting barking, lunging, and jumping behaviors.
• Smart LCD Display with Dual-Frequency Mode - Features a clear LCD screen for real-time battery and mode monitoring—no more accidental switches. Combines fixed 25kHz and alternating 15–30kHz frequencies to prevent desensitization and maintain long-term bark control.
• Up to 50ft Remote Control - Covers up to 50 feet, allowing you to stop barking without shouting or approaching. Perfect for indoor use, backyards, nighttime walks, and handling persistent barking—even from stubborn dogs next door.
• 4-in-1 Dog Bark Control Device - Combining variable-frequency ultrasound, beep sound, strobe light, and LED flashlight, this device offers a humane, non-punitive, and pain-free training solution. It features an 20-second auto shut-off to prevent overstimulation. Designed for dogs aged 6 months to 8 years, it supports positive reinforcement training and helps handle barking from neighboring dogs without disrupting harmony between pets and people.
• Rechargeable with Extended Battery Life - Equipped with a high-capacity 2500mAh battery, this device fully charges in just 1 hour and lasts up to 90 days on a single charge. Supports USB-C fast charging and works with wall adapters, power banks, or car chargers—perfect for both indoor training and outdoor walks.
• Nighttime Safety ＆ Pocket-Friendly Design - Equipped with a built-in LED flashlight and strobe light mode to enhance visibility in low-light environments—perfect for safer nighttime walks. Compact and lightweight, it easily fits into your pocket or backpack, making it ideal for daily training, evening strolls, or travel.