This is the throttle and NFC card, it fits compatible VSETT series electric including VSETT 8/8+/9/9+/10+/11+(60V model), and it fits compatible ZERO series , including ZERO 8/9/10/8X/10X/Z8PRO, GRACE 8/9/10, SPEEDUAL/MINI, but it doesn't fit compatible ZERO 11X/SPEEDUAL PLUS. Support Voltage Level: 24V/36V/48V/52V/60V, so I have to notice you again: it doesn't fit compatible ZERO 11X/SPEEDUAL PLUS. The plug is 6 pins model. We 't provide installing tools, and we 't provide reference/instructions/manual guide, so please install it carefully. Installation & adjustment of this item requires high hands-on ability and electrical knowledge, please ask compatible a professional mechanic if you 't have such skills. Make all the screws are tightened becompatiblee your riding. Colour:black Material:plastic Package Contents: 1 x throttle 2 x NFC card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.