Banggood DIY Frequency Tester 1Hz-50MHz Crystal Counter Meter With Housing Kit

https://goo.gl/bBs59D Enter to see the secret sale page at Banggood.
Playing around testing some crystals using two different methods. http://www.banggood.com/DIY-Frequency-Tester-1Hz-50MHz-Crystal-Counter-Meter-With-Housing-Kit-p-1063307.html