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Hello! I've reviewed the user manual for the GATEMAN Digital Door Lock A20-SH. This document provides detailed instructions on safety, installation, and features like user code registration, remote controller support and local reset capabilities. I am ready to answer any questions you have about your device.
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What should I avoid when cleaning the product?
Can I disassemble the unit by myself?
Where should I install the unit?
What should I do if a key is lost?
