This throttle and NFC card are compatible with VSETT series electric scooters including VSETT 8/8+/9/9+/10+/11+ (60V model), and fit ZERO series models including ZERO 8/9/10/8X/10X/Z8PRO, GRACE 8/9/10, SPEEDUAL/MINI. It is not compatible with ZERO 11X/SPEEDUAL PLUS. Supports voltage levels: 24V/36V/48V/52V/60V. Please note it does not fit ZERO 11X/SPEEDUAL PLUS. The connector is a 6-pin model. Installation tools and instructions are not included. Installation and adjustment require advanced hands-on skills and electrical knowledge. Professional installation is recommended for users without sufficient experience. Ensure all screws are securely tightened before use. Color: Black Material: Plastic Package Contents: 1 x Throttle 2 x NFC Card Only the items listed above are included; other products are not included. Note: Lighting effects and display settings may cause slight color differences between the image and the actual item. Measurement error allowance is +/- 1-3 cm.