With shift light. Adjustable RPM setting at which the red warning lamp illuminates and indicates when to gear up. Supplied with a yellow cover to place over the warning lamp when it is dark outside. Seven different background colours: green, yellow, white, purple, turquoise, dark blue and red. Memory function for latest selected background colour. Measuring range: 0 ~ 11000 RPM. For 1-10 cylinder engines. Ø 127 mm. For free-standing mounting. 12 V.