TACHO DIGITAL MEMORY 10k with RECALL

Long Acre Racing AccuTech Digital Tachometer high RPM warning light - helps prevent accidental over reving of expensive motors. 0-10K RPM, Size is 3-1/2 inch x 1-1/2 inch. Uses CR2032 battery, lasts 300+ hours. Face colour: white/luminescent blue, with optional connect to car for back light.