Train Smarter, Not Harder – Ultrasonic Dog Bark Deterrent Device Take control of unwanted dog behavior with this upgraded ultrasonic training tool, designed to be safer, smarter, and more effective than traditional bark collars. Whether you're addressing barking, chewing, digging, or jumping, this device delivers fast, humane results with advanced features pet parents love. 🔊 Advanced Triple-Emitter Design Equipped with three high-efficiency sonic emitters, our device offers wider coverage and stronger output—outperforming single-emitter deterrents. With an effective ultrasonic range of 16.4 to 23 feet, it works reliably both indoors and outdoors. 🎯 Customizable for Every Dog Switch easily between four functional modes: Sound Mode (for basic alert training) Ultrasonic Mode (fixed at 25kHz) Ultrasonic + Flashlight (for night or added effectiveness) LED Flashlight Only (as a standalone light) Choose between two frequency settings: a stable 25kHz tone or a variable 25–30kHz range to prevent desensitization—ideal for long-term training effectiveness. 🔋 Rechargeable & Long-Lasting Power With a built-in 1200mAh high-capacity battery, you can train your dog stress-free for weeks. Fast USB-C charging gets you back in action quickly, while the auto shut-off feature ensures safety—stopping after 8 seconds of continuous ultrasonic output to prevent overstimulation. ✅ What's in the Box? 1 x Ultrasonic Dog Deterrent Device 1 x USB Type-C Charging Cable 1 x Wrist Strap for Easy Carrying 1 x User Manual Whether you're training your own dog or quieting the neighbor's, this device is a game-changer for pet parents who want results without causing harm.