⭐Anonymous Delivery & Free Shipping⭐ Please check the actual photos for the product condition♪ #Aya's♡List of products with no comments & immediate purchase OK♡ is here✨☜ ----------------------------------------------- 【Safety】 The ultrasonic dog barking deterrent uses dog-friendly ultrasonic technology, can be used indoors and outdoors, is rainproof, automatically detects sound, and is suitable for all dog breeds. Product size: 8.99 * 7.18 * 10.99 cm 【Variable Frequency】 The dog's hearing frequency is 15Hz~50kHz, and the human hearing frequency is 20Hz~20kHz. This barking deterrent has 3 types of frequencies, and dogs can hear this ultrasonic wave, but humans cannot. If the dog does not respond to low frequencies, switch to high frequencies. Note: This product may not be effective for elderly dogs or dogs with hearing impairments. 【Waterproof】 The main unit is waterproof, so it can be used outdoors, such as in the garden, even on rainy days. 【Effective Distance】 The effective distance is 10m. Even if your beloved dog barks excessively, the barking will stop by using it within 10m. You can also use it for neighborhood dogs. 【Long-lasting Charging】 A single charge of about 5 hours allows for approximately 1 month of use. The light will flash red to indicate when the battery is low. Barking Deterrent Device, Detects Dog Barking, Ultrasonic Device, Dogs, Large Dogs, Small Dogs, Medium Dogs, Barking Training, Powerful Barking Prevention, Prohibition, LED, Remote, USB Charging, Dog, Inu, Training, Walking Goods 01-64 9915