The Mini4 tachometer uses an LCD screen powered by an inner CR 2032 changeable battery that allows installation on any vehicle. With the small, compact and user‑friendly size, it is perfect for many applications.
It also features a backlight, has a RPM display warning and also keeps track of your max RPM.

 Specifications (R= Range U=Unit)
RPM
R: 0 ~ 20,000 RPM
U:10 RPM
RPM input pulse
R:0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6
MAX RPM record
R: 0 ~ 20,000 RPM
RPM display warning:
R: 5,000 ~ 20,000 RPM | U:100 RPM
Effective temperature range
14 ~ 140 °F (‑10 ~ 60 °C)
Backlight:
12V DC
Meter supply voltage:
DC 12 (for backlight only)
Power LCD
CR 2032
Battery lifetime
± 350 H
Meter standard
JIS D 0203
Meter size
W61.5 x L33.7 x H15.6mm
Meter weight
±30g