Mini 4 Tachometer
Compact, easy-to-read LCD display, Measures rpm from 0 to 15 in 10 rpm units, Displays tachometer within 0-20000 rpm range, Records max rpm, Dimensions: 34.3 mm (1.35") H x 69.8 mm (2.75") W x 17.3 mm (.68") D, Uses an LCD screen powered by an inner CR 2032 changeable battery that allows installation on any vehicle
