Model D2015 with libattery remote controller Pattern Fixed, Vertical&Horizontal, , etc. Speed 20-140km/h Frequency 2-8s/ball Capacity 120pcs Power AC 100--110V or 220V--240V Color Black Weight 25Kgs Battery Build in operation battery Accessories Remote control, AC power cable, charger, manual Function Full function remote control with lcd display, An affordable investment bring your permanent health