The BLITZ Power Meter i-D is a unique monitoring tool that measures Power & Speed with the ability to display both standard and metric measurements. Power output can be displayed in HP, PS and KW. Speed can be displayed in mph and km/h. Both power and Speed can be displayed in digital meter and graphical form. The BLITZ Power Meter i-D feature a chassis Dynamo function, which plots power to speed in a graph form. The BLITZ Power Meter i-D and SBC i-D infared connection: These two units are connected via infared. Information is transferred directly without the use of extra wires. When connected, the SBC i-D has the ability to operate the Speed Map function and also display OPT1 and OPT2 readings. The SBC i-D can record and replay any information on the BLITZ Power Meter i-D.