Features Versatile Application: Utilize this intelligent frequency meter in electronic measuring instruments, traditional manufacturing areas, metrology laboratories, and wireless communication testing for precise frequency measurement and analysis. Efficient Countdown Function: Benefit from the digital countdown timer's ability to recognize analog count, backward count, and count phases, ensuring accurate and flexible time management. Customizable Features: Tailor the frequency meter to your specific needs with optional counting speed, relay selection, and open/closed memory power supply, providing adaptable and user-friendly operation. Time Delay Output Capability: Take advantage of over 10 relay types for free selection and the time delay action relay function, enhancing control and precision in various applications. Advanced Technical Parameters: This digital LED frequency counter meter supports a wide voltage range (5V-24V DC) and features adjustable magnification settings to determine the ratio between count and display, offering detailed and accurate frequency measurement. Features: 1010230032811 Specification: 1010230032811 Package List: 1 x Frequency Meter 1 x Connecting Wire Package List 1 x Frequency Meter 1 x Connecting Wire