Profile: Electronic Specialties, Inc. designs & manufactures test instruments for automotive, small engine and industrial fields. Our products include tachometers, multimeters, timing lights, compression testers, amp probe and battery testers. Vacuum gauge & fuel pump tester checks for leaky valve timing, fuel pump vacuum and gas line leakage. Our infrared portable thermometer measures up to 518 degrees F. It features built-in laser pointer and backlit LCD display. Laser tachometer is the ideal tool for easy and accurate measurement of RPM in almost any environment. The laser beam can detect RPM from longer distances of up to 6 feet away. It can measure up to 99,999 RPM in 1 RPM resolution. It can be used to measure RPM on coil-on-plug, diesel engines, generators, compressors, industrial engines, fans and gears.