The Optoelectronics Opto 3000A Micro Handi Frequency Counter is a reliable tool for measuring frequency signals in the range of 10hz to 3 Ghz. This counter is designed for use in various industries such as test and measurement, inspection, and business settings. It is manufactured by the trusted brand Optoelectronics, known for producing high-quality test meters and detectors. With its compact size and handheld design, the Opto 3000A Micro Handi Frequency Counter is easy to use and transport. It features a digital display and a single-pole analog input for accurate and efficient frequency measurements. This counter is a valuable addition to any toolbox for test and measurement purposes.