Description:LED Color: Red、 Blue、Green、 Purple、 Pink、 Orange、 Dark blueBall' size: Diameter 8cmString' size: 50cm (can be adjusted by yourself)Power switch: White button on the ballLED light' life: Continuous use about 3 hoursFeatures:Colors can be adjusted by your setting、 it can be set as one color or Gradient change colorNOTE: Errors exist in measuring. Really hope you could understand.Package include:1 x LED Thrown Balls ( including battery )1 x Sting