?This pet hair remover set will definitely bring much convenience to your life. Name of product: pet hair remover Material: plastic + rubber Length: 19 cm/7.48inch Width: 11 cm/4.33inch Power supply: 3 pcs aa battery (batteries not included in). Package Included: 1x brush pet hair remover USE: 1.Let your dog can see and feel the machines. it is suggested to choose a room with sound, such as radio and television. 2.We start with a movement of the brush in a head to tail direction with empty off, it's going to get. 3.After your pet is comfortable to turn on the vacuum and loose hair back while continuing the movement of tooth. 4.The most effective is a long game, picking up a surface. at the end of the race. NOTE: 1. After grooming, you're supposed to be gentle and careful, not hard, in order to avoid injury to your pet. 2. Follow the advice of cleaning to ensure that wheels are free of obstacles. 3. Make sure that the battery cover is in place, using. 4. If the machine stops or slows down during use. follow. instructions to remove the cleaning, such as long fiber, yarn, lint, hair, and so on. ? Regardless of your dissatisfaction, please contact us before leaving feedback, we will your satisfactory solution.