Description: Convenient Home Use: This badminton training device allows you to play badminton at home without the need to pick up the ball. It's perfect for an enjoyable workout at home. How to UseFirst, the sticky sticker can be glued to the upper door frame, then hang the ball; this badminton trainer is very easy to install. Press the button, and the ball can automatically be rebounded. Easy Installation: The badminton self practice trainer can use with traceless adhesive sticker, just press it firmly without damaging your walls. It can be installed anywhere, making it versatile and convenient. Durable Material: Made of plastic, this badminton trainer is designed to withstand play. It's not easily damaged and has strong power, making it ideal for improving your power and technique. Perfect GiftThis suspended badminton trainer provides endless hours of fun. Perfect as a present, a great gift it is, and something your child would enjoy. Specification: Material: Plastic Cable Length: 1.3m/51.18inch Package Includes: 1 Retractable Host 3 Badminton Balls(Random Color) Note: Please allow slightly errors due to manual measurement and different monitors.