1.1. Frequency Range: This frequency counter can measure a wide frequency range from 1 Hz to 50 MHz, making it suitable for various applications. 2.4. PowerSaving Mode: The powersaving mode automatically turns off the display if no significant frequency change is detected within 15 seconds. This feature extends battery life and reduces power consumption when powered via USB. 3.3. AutoRanging: The automatic range switching eliminates the need for manual adjustments and ensures effortless operation. Additionally, the device features programmable frequency settings for measuring wireless communication devices such as transmitters, receivers, and other equipment. 4.2. Precision Measurement: With a fivedigit precision resolution, this frequency counter delivers accurate and reliable results. It can be used to measure the oscillation frequency of the most common quartz oscillators to ensure the stability of electronic circuits.