Adding a Fingerprint Keypad to a Retrofit Lock
A separate keypad can make a retrofit lock easier for people who do not want phone-only entry. Buy it as a matched accessory, with the mounting position decided in advance.

Check the exact pairing
Confirm that the proposed keypad is supported by the chosen lock and firmware. Similar product names within a brand do not make every accessory generation interchangeable across its entire range.
Make the approach natural
Stand where a visitor will wait and check reach, screen-door clearance and visibility. A keypad placed to suit the installer’s convenience may be awkward for everyday arrivals and children.
Include upkeep
Ask how its batteries and mounting will be serviced, then include any required remote bridge in the quote. The useful comparison is the full entrance arrangement, rather than a keypad-only price.
Before you buy
- Supported lock and keypad generations
- Comfortable mounting position
- Bridge and battery upkeep