Item Descriptions:-[Compatibility]: This throttle accelerator is compatible with Ninebot ES series.-[High Sensitivity]: It can be started with a gentle twist, easy to operate, fast and convenient.-[Easy to use]: With this throttle unit, you can easily control the speed of the electric scooter by manually controlling the throttle.-[Comfortable Grip]: High-quality plastic main body, has a comfortable grip, will not hurt your hands and not easy to damage.-[Note]: Please kindly confirm the fitment before ordering.Package:1x Electric Scooter Throttle AcceleratorItem Specifications:Cable length:10cm/3.94inchSize:66x46mm/2.60x1.81inchMaterial:PlasticNumber of pin:4 pinColour:Black, Blue