Ultra Anti-Barking Device for Pet Dogs – Bark Control Repeller to Stop Unwanted Barking Features: Dog Behavior Correction Tool – This device assists in dog training and behavior management. It emits sound and offers two ultra modes with a frequency range of 22-25 kHz, which is generally inble to humans. The technology functions similarly to an electronic dog whistle. Effective Training Aid – Helps discourage excessive barking and supports behavioral correction. Suitable for dogs weighing between 5 and 120 pounds and aged from 6 months to 8 years. Can also assist in preventing undesirable behaviors such as chewing and digging. Safe and Long-Lasting Performance – Ultra deterrent effect reaches up to 16 feet. Automatically shuts off after 10 seconds as a safety measure. Equipped with a high-capacity battery that provides up to 30 days of operation on a single charge. Portable and Versatile Use – Ergonomic design ensures comfortable handling. Includes a clip for easy attachment, making it convenient to carry and use both indoors and outdoors. Specifications: Model Name: DN110 Function: Ultra sound emission Box Dimensions: 15 x 2.6 x 2.6 cm Product Weight: 56g Package Includes: 1 x Dog Training Device 1 x Charging Cable 1 x User Manual