Koso EFI for displaying the speed and temperature values ​​of two or 1x 1x temperature and gasoline / air mixture. This instrument has large size numbers, and that makes it very easy even at high speed to be able to read all the information a new ad. Adjustable scale 10,000 / 15,000 / 20,000 rpm. Makes it possible to adapt this instrument to almost any type of engine. In addition to speed and temperature, the voltage is displayed and there is a clock. There is a programmable shift light and temperature warning light to monitor the engine. Optionally one can connect an O2 sensor, which helps with set-up of the engine. To do this, you have to forgo the temperature range.