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Feature

High abrasion resistance, sturdy and durable, Transparent casing effectively protect the Frequency Counters body.
Programmable addition and subtraction frequency setting for the measurement of radio transceiver and other equipment.
Automatic range conversion, without human switch; Can measure most commonly used crystal of oscillation frequency.
The power saving mode can be selected. If the frequency is not changed automatically in 15 seconds, the display will be closed automatically.
The power supply range is wide, which can be powered by USB interface of general motors, or 5-12v or 9V battery for external power supply.