Yale YDM4109+ and YDM3109+ Installation Video - Premium Digital Mortise Lock

Enjoy key-free access to your home with the YDM 4109+ & YDM3109+, high-quality security solution for every modern home! YDM 4109+ & YDM3109+ are premium digital door locks that can be accessed via PIN code, RF card, or mechanical keys, suitable for both timber and aluminum doors.
Follow these simple guides as you're one step away from having a safe and secure home.
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