Selectable single/dual fire electronic tachometer with chrome housing, black face plate and yellow illuminated. Four different toggle switch selections can be made. 1:2 = 1 impuls at 2 engine rotations (single fire Harley), 2:2 = 1 impuls at 1 engine rotation (dual fire Harley), also 2:1 and 3:1 are possible. Toggle switch is located at the bottom of the tachometer. Comes with a metal housing and pointer. The diameter of this tachometer is 48mm and the built-in depth is 46,3 mm. Note: A universal mounting bracket can be ordered separately when required, as MCS 941078 (chrome) or 941079 (black).