Compact acrylic body with Type C power and auto saved settings simplifies operations, lab grade precise in a pocket sized frequency meter for on the go troubleshooting Professional 100MHz Frequency Counter with SJ8K24P T chip and 0.91 " display ensures high precise measurements in a compact acrylic casing, ideal for electronics diagnostics and signals analysis Designed for engineers, technicians, and electronics enthusiasts requiring reliabled frequency measurement tools for circuit debugging, equipment calibration, or educational projects Perfect for workshop environments, laboratory setups, or field repairs where portable 100MHz signals testers with / signals probe inputs ensures sensitive measurements across devices Features ±2.5ppm VC TCXO frequency base, customizable gate time ( 0.1 / 1.0s), and MHz / KHz / Hz mode switching for enhanced accuracy and readability in signals testing applications, Manufacturer: JunsenF