Integrating multiple functions, this frequency tester enhances efficiency by reducing the need for carrying separate tools in demanding work environments Achieve high precisions measurements of voltages, frequency, and temperature with this portable digital multimeter, solving accuracy issues in complex environments for accurate data Ideal for on site repairs, outdoor operations, and laboratory settings where the portable multimeter delivers quick and dependable frequency and temperature measurements Designed for professional electricians, engineers, and lab technicians who require accurate instrument readings for and critical tasks Featuring a lightweight construction, large digital display screen, and wear resistant shell for easy portability and clear visibility even in low light conditions, Manufacturer: WangWeN