Crystal Oscillators electronic Kit - ceramic quartz resonators - 7 kinds x 5pcs

32.768K 4 8 12 16 20 25 MHZ

hc-49s 

Model Number: 32.768K 4MHZ 8MHZ 12MHZ 16MHZ 20MHZ 25MHZ
Brand Name: Eiechip
Model Number: crystal 49S hc-49s