has been engaged in the research and development, manufacturing and distribution of pet products for years. With a passion for innovation, we constantly improve our products and provide the best experience for our customers! Professional Dog Training Collar Dog training collars are useful training tools that can help correct behaviors such as barking, walking, posturing, obedience, etc. The collars are very easy to use and have the highest quality and safety standards, making them 100% safe for your beloved pets, your intimate family lovers. 7 levels of adjustable Sound, Vibration and Electric Shock Mode. The remote control has 3 channels, it can be used with 3 receivers at most. SAVINGS D ‘ENERGY: The collar goes into SLEEP MODE after 2 minutes if there is no movement. Quick and easy pairing process.