Pro Laser Tachometer

• Ideal tool for easy & accurate measurement of rpm in almost any environment • High intensity laser beam not affected by shop light, detects rpm from up to 6 ft. away • Measures up to 99,999 rpm in 1 rpm increments and can be used to measure rpm on coil-on-plug & diesel engines • Simple operation, just aim at reflective mark to get rpm • Memory function saves maximum and minimum rpm readings • Zippered case, reflective tape, instructions and 9V battery included