elfinx > Motor > Racing Gauges > GL3D 3 in 1 : Tachometer, Water Temperature, & Voltage GAUGE with Plasma & Digital display for 3/4/6/8 Cylinders   Model#: GL3D     - Description - R.P.M. Tachometer, Water Temperature, and Voltage GAUGE Plasma and Digital display Diameter 9.5cm x Depth 5cm External R.P.M. Warning Light (Removable) Comes wit All Necessary Hardware Compatible to All types of 3, 4, 6, or 8 Cylinder Vehicles - Package Include - - Download - 1 GL3D GAUGE 1 External R.P.M. Warning Light 1 Manual All Necessary Hardware  Operation Manual     item is exactly the same as the following pictures