Hilitand DIY Frequency Indicator Kit 1Hz-50MHz Crystal Oscillator Tester Module Kit with 5 Digits Digital Tube Display
 
Product Features
  

         
The power-saving mode can be selected, and the display can be automatically turned off if the frequency does not change significantly within 15 seconds.
         
Package List:1 x Bag of Frequency Meter Module Parts DIY Kit
         
Five-bit resolution (e.g. 0.0050kHz, 4.5765MHz, 11.059MHz) supports automatic range conversion.
         
Programmable add and subtract frequency settings for measuring equipment such as radio transceivers.
         
Frequency Measurement Range: 1Hz-50MHz,which can measure the oscillation frequency of most commonly used crystal oscillators.