The Simsonn VAM Pro Pedals Haptic Reactor features a linear vibration motor for clearer feedback. The Simsonn VAM Pedals Haptic Reactor features a rotary vibration motor with speeds up to 8500 rpm. Both versions support the same eight telemetry feedback types currently, including speed, clutch, tyre slip, RPM, ABS, gear shift, traction control (TC), and tyre lock. Note: 1. Power supply is not included when purchased separately. 2. For older Simsonn pedals user: Simsonn Pro Pedal and Pro Plus Pedal users should purchase the Plus X Control Box! Older Pro X users should purchase the Pro X Ultra Control Box. 3. Compatibility: You only need to purchase an additional Plus X control box to make it compatible with all pedals, but we only provide mounting brackets for Simsonn pedals.