Geekcreit® 1Hz-50MHz Crystal Oscillator Frequency Tester Counter Meter With Case

Features: Measurable frequency range: 1Hz to 50MHzMeasurable signal frequency: up to 30VCan measure most commonly used crystal of oscillation frequencyFive-digit accuracy resolutionAutomatic range switchingProgrammable frequency setting for measuring radio transceiver equipmentSelectable power-saving mode, if there is no significant change in 15 seconds automatically turn off the display frequencyWide power supply range, you can use a common USB interface power supply, can also use an external power supply or 9V battery 5-12V Package Included: 1 x Frequency Tester With Case