At only 52 mm, the Mini-Tachometer by Intellitronix is everything you need in a great little package. It is a memory tachometer coupled with RPM activated output and a Blue LED shift light.
Microprocessor controlled. Compatible with 4-6-8 cylinder engines. Accurate, super bright, and intelligent all in one compact package. The future of precision is here.
Other features include:
2 1/16 inch diameter, only 1 1/2 inch deep;
Uses Push Buttons and Digital Display to program the switch;
RPM Range to 9,900 RPM (four LED Digits--the two on the right only read 0s);
RPM activated switch function: Choose from Normally Open (turn on an accessory at the desired RPM) or Normally Closed (turn off an accessory at the desired RPM);
Functions as a Digital Tachometer with High RPM recall function;
No need to remove cover to program;
Over current protection, Short circuit protection, Over voltage protection;
CAN'T BLOW IT UP!;
Black Face Gauge with a Low Profile Tinted Lens;
Ultra-Thin Design – Gauge is Only 1 Inch in Depth;
Dimmer Wire Allows the Gauge to Dim 50%;
Programmable Digital Mini-Tachometer 2 1/16" in Black Trim
Free Lifetime Technical Support;
and In-dash mounting hardware!