This is the throttle and NFC card, it fits for VSETT series electric including VSETT 8 or 8and or 9 or 9and or 10and or 11and(60V model), and it fits for ZERO series , including ZERO 8 or 9 or 10 or 8X or 10X or Z8PRO, GRACE 8 or 9 or 10, SPEEDUAL or MINI, but it doesn't fit for ZERO 11X or SPEEDUAL PLUS. Support Voltage Level: 24V or 36V or 48V or 52V or 60V, so I have to notice you again: it doesn't fit for ZERO 11X or SPEEDUAL PLUS. The plug is 6 pins model. We 't provide installing tools, and we 't provide reference or instructions or manual guide, so please install it carefully. Installation and adjustment of this item requires high hands-on ability and electrical knowledge, please ask for a professional mechanic if you 't have such skills. Make all the screws are tightened before 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.