Features: New real driver ball, excellent feel and quality. Plug and play, easy to install, drive-free use, compatible with PC Windows systems including Windows 7 and above. High and low gear shifter head, suitable for players modifying G25, G27, G29, and TH8A gear for ETS2. Includes two switchers and one additional user-defined button. Use the switch to quickly shift between high and low gears, supporting up to 18 gears. Connector made of aluminum alloy, compatible with all mainstream electronic gears on the market, supports 12mm, 10mm, and 8mm connections, fits equipment from various brands. Specification: Type: PC USB Shift Knob USB Cable Length: 2 Meters PC System: Supports Windows 7 and above Material: ABS + Aluminum Alloy Color: Black Package Contents: 1 x USB SIM Shifter Knob Note: Light reflection and different displays may cause slight color variation between the image and the actual item. Measurement error allowed is +/- 1-3 cm.