Q: [What should I do if there is a problem with the arrival of the product? ]A: If there is any problem with the product, please take a picture in time and provide professional customer service to keep a sample. You will get the most satisfying answer.Specification:Item Type: Electric Skateboard Remote ControlMaterial: ABSColor: BlackWeight: Approx. 52.0g/1.8ozType: Electric Skateboard AccessoryQuantity: 1PcsApplication: AllRemote Control Built-in Li-ion BatteryRemote Control Capacity: 400mAhRemote Control Mode: Charging ModePackage List:1 x Electric Skateboard Remote ControlNote:This remote control is equipped with our controller. If other customers purchase it separately, there is no guarantee that it will work! Please make sure your control panel (the control panel inside the battery box) has a match key before purchasing, if you have one, you can try it.