Mini 4 Tachometer
Compact, easy-to-read LCD display
Displays tachometer within 0-20000 rpm range
Records max rpm
Measures 33.7 mm (1.33") H x 61.5 mm (2.42") W x 15.6 mm (.61") D
Uses an LCD screen powered by an inner CR 2032 changeable battery that allows installation on any vehicle