1Hz-50MHz Digital LED Crystal Oscillator Tester – DIY Kit Frequency Counter Meter

DIYers and radio nerds, check this out.

It’s a digital frequency counter that measures crystal oscillators from 1Hz all the way to 50MHz.

Bright red LED display, ready to assemble or use as-is.

Great for testing, troubleshooting, or just having on the bench.

Unbranded, generic, but totally functional.

Made in China.

No fancy packaging, no inflated claims—just a solid little tool for anyone messing with oscillators, clocks, or signal generators.

Handy, cheap, and way cooler than it sounds.