''HHO Vehicle Management Unit - Microprocessor Controller for HHO Cells. Controls PWM, MAP/MAF Sensor and up to 4 O2 Sensors. Monitors up to 2 Cells in *F or *C selectable.''
http://www.hydroxycorp.com/shop/item.asp?itemid=33
Hey, it is a good idea isnt it? Taking control of MAP/MAF, O2 sensors, PWM and monitor temperature with one device sounds great. And all this through a touch screen. However its expensive as the other products of this company...