The ergonomic black rubber handle bar grip suitable for adult size hands allows the co-driver to start the chronometer with high precision leaving the chronometer duly fixed on the dashboard and as such easily accessible and visible to both driver and co-driver at any time during the race. The Blizz Timing ergonomic external switch is equipped with a high precision switch with a maximum click pressure of 320-420 grams for maximum sensibility, and 1,60 m. quadripolar copper electrical cable.

It can be provided with one, two or three cables to connect up to three chronometers at the same time.