main feature 1. The spray bark cap is flexible and compact, easy to use. 2. The receiver can be used normally when the dog is drinking water or on rainy days (IPX3 waterproof). 3. Auto Mode: Auto mode detects dog barking and automatically sprays to stop the barking. The spray can be adjusted to be larger or smaller, and the external sound and frequency will not interfere with the product. 4. Adjust the sensitivity of the receiving system: the barking frequency of large dogs and small dogs is different. This machine is equipped with an adjustable sensitivity system, which can adjust the receiving sensitivity to be high or adjust the receive sensitivity to be low. 5. Spray: It is made with natural essential oils and does not contain CFC ingredients. It is an eco-friendly product that is safe for humans and dogs. (Note: This product does not include citronella spray, please purchase it separately from Amazon) 6. Big capacity: The bark cap has a large gas capacity. After being filled with
