Item : LED Horse tail Color : Blue , Green , Red Length : 100 cm ( 39 . 37 ) Material : Diving material Style : Rechargeable Origin : China Function 1 : Lighting Function 2 : Beautiful , Pleasing Notice: Due to different monitor shows, the color may be have a little bit difference. Attention: When open the package, please be careful with knife and scissors. Buyers FAQ: 1)Whether the battery can be replaced? A:No.batteries can be recharged more than 300 times. 2)What's the flash mode? A:Long bright,fast flash,slow flash,close. 3)How long the battery can be used? A:Long bright about 3 hours. 4)Battery model? A:120 Ma polymer Lithium battery.