After Sales Service Letter of Commitment
Thank you for choosing HARFO door lock!
Please rest assured that we have 12 months warranty to ensure your investment.If
you have any question in the future,please be free to contact us by Email and we
will help you solve it as soon as possible.Usually the Amazon customer service
can’t solve the technical problems, please contact our email at first. Our after-sales
service team will provide technical support.
Looking for installation video?
Visit our Amazon store for installation videos, FAQs and more.
Search F01 fingerprint door lock installation video on YouTube.
E-mail: harfoseller@hotmail.com
HARFO Amazon store:
www.amazon.com/harfo
Please contact us before returning the lock. We will try our best to help you.
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