Features:
100% Brand new and high quality!
Designed to measure the oscillation frequency of the most crystal oscillators.
Based on for PIC microcontroller can measure frequency of 1 Hz to 50 MHz.
Five digits accuracy.
Optional power-saving mode: automatically turns the display.
General USB interface for power supply， power supply or 9V battery can also be used be used.

Specifications:
Color: Red
Material: PBS
Frequency range: 1 Hz-50 MHz
Crystal Test Range: 4 MHz-48 MHz
Built Item Size: 8 * 5.5 * 0.7 cm / 3.2 * 2.2 * 0.3 inches

Package includes:
1 x Frequency Counter