KOSO Mini 4 Tachometer Compact. Precise. Versatile. The KOSO Mini 4 Tachometer delivers accurate RPM monitoring in a tiny package ideal for motorcycles, scooters, ATVs, and custom builds. Its clear LCD screen and user-replaceable CR2032 battery make installation and maintenance simple. Clear LCD display with backlight for visibility day or night RPM display warning configurable to alert at preset limits Max RPM tracking records peak engine revs for performance tuning Universal fit designed for easy mounting on a wide range of vehicles Replaceable CR2032 battery for long-lasting, low-maintenance power With compact dimensions of W61.5mm × L33.7mm × H15.6mm, the Mini 4 Tachometer blends into tight instrument clusters without sacrificing readability. Ideal for riders and enthusiasts who need reliable engine data in a minimal footprint.
