Features: New real driver ball, excellent feel and quality Plug and play, easy to install, drive-free use, supports PC Windows systems with Windows 7 and above High and low gear shifter head, suitable for players who modify G25 / G27 / G29 / TH8A gear for ETS2 Includes two switchers, one additional user-defined button, allows using the switch to quickly switch between high and low gears, up to 18 gears Connector made of aluminum alloy, compatible with all mainstream electronic gears on the market, compatible with 12mm, 10mm, 8mm connections, such as compatible with Logitech, Thrustmaster, SQ, Kraton, Laigong equipment Specification: Type: PC USB Shift Knob USB Cable Length: 2 Meters PC System: Supports Windows 7 and above systems Material: ABS + Aluminum Alloy Color: Black Package Contents: 1 x USB SIM Shifter Knob 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 to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm