Featuresr easy installation and water resistancer with soft pad it is anti shockr it consist of 128 high visibility rgb led lightsr with the sensor the power will be out automatically when you are not ridingr the speed of 15km can be better to display patterns completelyr the picture will be changed every 3 secondsr the rechargeable battery can work about 15 hoursr you can download pictures from the internet and design your pictures with the usb cabler it is applicable to 26 inches w