GReddy Sirius Vision Set OBD2 Compatible w/ ISO CAN OBD2The Greddy Sirius Vision uses a self luminous transparent display using inorganic EL. This is a sensorless meter set that can be connected to the vehicle's fault diagnosis connector (OBD II) with one touch. By using the OBD harness, it displays up to two items of information from six items: boost (intake manifold pressure), water temperature, intake air temperature, RPM, vehicle speed, and voltage. Display: Boost (intake manifold pressure), water