Used device that works well. Only thing missing is one suction cup (see pictures), this does not impact performance.

Cool technology from BELTRONICS instantly computes vital stats of your sport car, tuner car, classic car, or performance car. Vector FX1 provides instant feedback on cornering, acceleration, braking and horsepower.

Measures acceleration (0-60; quarter mile times and more), cornering, horsepower and G-Force

Stores up to ten runs in memory

Backlit LCD display readily confirms all information

Powered via included cigarette lighter plug