Dog Bark Control - Automatically Emits 4 Levels of Ultrasound - Barking Control Device for Dogs - Barking Solution

【4-Layer Ultrasonic Waves】Harmless to humans and dogs, this device uses gentle ultrasonic technology to automatically emit 4 layers of ultrasonic waves. It's designed to train dogs not to bark excessively, helping to resolve neighborhood disputes and sleep disturbances. The sound sensor automatically detects barking and is suitable for all dog breeds.
【Variable Frequency】Dogs can hear frequencies between 15Hz and 50kHz, while humans can hear between 20Hz and 20kHz. This anti-bark device has three frequency settings. Dogs can hear the ultrasonic waves, but humans cannot. This product is only suitable for dogs aged 6 months to 8 years with normal hearing.
【Long-Lasting Charge】We recommend fully charging the anti-bark device before use. Connect it to a USB cable, laptop, or charger with an output current not exceeding 2A. A full charge takes approximately 5 hours and allows for 30 days of continuous operation. The red light indicates charging, and the blue light indicates a full charge. The light will flash red when the battery is low to notify you.
【Effective Range】The effective range is 10 meters. As long as your dog barks within 10 meters, the barking will stop. It can also be used for neighborhood dogs.
【Waterproof】The main unit is waterproof, allowing for use outdoors in the garden, even on rainy days.