Warranty 
365 days warranty 
Defective items must be reported and returned within the warranty period ( must be in the good condiction) and pls list us for what the defecit is ,also with your order number , so we can repale new items to you within the expired warranty 
If you submit the order ,pls pay your order timely , so we can prepare and ship out at once 
Item specifics:
Model number: HC-49S 20MHZ