1. This is the throttle and NFC card, which is compatible with VSETT series electric vehicles including VSETT 8/8+/9/9+/10+/11+ (60V model), and ZERO series including ZERO 8/9/10/8X/10X/Z8PRO, GRACE 8/9/10, SPEEDUAL/MINI, but not compatible with ZERO 11X/SPEEDUAL PLUS. 2. Support Voltage Level: 24V/36V/48V/52V/60V, and it should be noted again that it is not compatible with ZERO 11X/SPEEDUAL PLUS. 3. The plug is of 6 pins model. 4. Installing tools and reference/instructions/manual guide are not provided, so installation should be carried out carefully. Installation & adjustment of this item requires certain hands-on ability and electrical knowledge; if such skills are not available, it is advisable to consult a professional mechanic. 5. Ensure all the screws are tightened before riding. 6. Colour: black 7. Material: plastic 8. Package Contents: 1 x throttle, 2 x NFC card. Only the above package content is included, and other products are not. 9. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.