Geek Smart Fingerprint Door Lock L-B201 REVIEW

[@GalaxyTechReview]

Get it HERE Amazon US amzn.to/3YY1Q5Z Amazon CA amzn.to/42o3Gjy

[@richardbarr7191]

how do you replace or charge the batteries. I show I have a L-B201, but I have no screw on the end of the inner door handle, must have version 1, I don't get it.

[@vvsdj]

what kind of batteries do they use?