Automatic Badminton Service Machine Robot Portable Outdoor Indoor Beginner Ball Pitching Practice Trainer Device-US Plug                Fixed-point serve, suitable for beginners and daily training.     Features: fashion appearance, built-in serve, automatic serve contact machine.     Serve distance: 6-10 meters far     Badminton height: 4-6 meters height     The angle position of the serve machine can be moved          Power:4* 1.5V D batteries (The batteries are not included in the package / For Panasonic battery is recommended)     Technology: internal shock absorption system to ensure smooth serve     Capacity: 15-20 balls     Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on.     Colour: white     Material: plastic          Package Contents:     1 * Badminton Service Machine     1 * US Plug     1 * English Manual          Only the above package content, other products are not included.     Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.