1Hz-50MHz Quartz Oscillator Frequency Counter Digital LED Tester DIY Kits Description: Frequency range: 1Hz-50MHz It is used to measure the oscillation frequency of a crystal Five accuracy resolutions (e.g. 00050 kHz, 45765 MHz, 11059 MHz) Automatic range conversion, no human switch required Selectable power saving mode, within 15 seconds if there is no significant frequency change, it will automatically turn off the display Can use 5V USB interface, power supply, also can use external power supply or 9V battery Few components, all DIP components, installation is simple Specification: Material: electronic components Module Size: Approx. 80x52x1mm/3.1x2x0.04inch Nixie pipe: ok. 19x13x15mm/0.7x0.5x0.6inch The package includes: 1 piece 5 digits resolution crystal oscillator frequency counter