1. Please install the battery before using dog barking deterrent device for the first time.
2. In order to achieve the desired result, please change the ultrasonic frequency every 5-8 days.
3.Barking control device are only suitable for one dog and not suitable for use in noisy surrounding.
4. Not suitable for dogs with hearing problems, under 6 months and over 8 years old.
5.Braking device is not intended to provide protection against aggressive dogs.
6 .In order to achieve long-lasting result, please be patiently and consistently use Anti Barking Device as a training aid, along with commands and positive reinforcement.