< > Mychron 4 Expansion Box Includes Wheel Speed Sensor Customer Rating  [N/A] $777.85 Qty :   Reviews (0) (View All) Questions (View All) Add Review Ask Question Share with a friend   Product Description       MyChron4 eBox widens the data acquisition capability, providing all the info you need to setup your kart and improve your driving skills.     The expansion has got four channels and provides info about: One speed   Two temperatures   RPM   Internal accelerometer   The internal accelerometer (g-sensor) allows to display the track map on your PC, and provides a complete overview of your kart and your performance. You’ll be informed about your speed, temperature, RPM in every single point of the track! A full set of information, an essential tool to improve your competitivity.       Other features: External battery input   CAN connection   Power: two addictional 9V internal batteries or external power   Weight: 280gr, 9V internal batteries excluded   Dimensions: 100 x 42 x 75 mm Ok