AVR Frequency Meter Crystal Measure Frequency for Measure Oscillator DIY Kit 0.45HZ-10MHZ 7-Bit Precision

Measurable signal amplitude up to 30V. 7-bit precision resolution. Automatic range conversion without manual switching. Wide power supply range can be powered by universal USB interface or use external power supply 5-12V or 9V battery. Switch switching cycle and pulse display. All in-line components few components simple and commissioning Colour:As Shown Material:plastic+metal Package Contents: 1 x AVR Frequency Meter Kit Only the above package content other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.