You can even set the free pass mode and keep it unlocked at any time which is convenient for the children and the elderly to enter and exit freely. Keyless Entry Door Lock is designed to fit US standard door, Backset 2-3/8? (70mm), door thicknesses from 1-3/8'' to 2-1/8''(35mm -55mm). No wiring and no drilling. Fit both left handed and right handed doors(Suitable for indoor and outdoor doors).
Smart door lock requires 4 AAA batteries (not included), According to the frequency of use, it can be used for up to 8-10 months. It has low battery reminder function (the red light will flash three times when unlocking); Equipped with a USB interface for emergency charging.
Note: This interface is only used for emergency charging, the battery cannot be charged, and the battery needs to be replaced in time. Keyless entry fingerprint door Lock door locks with keypads smart lock door, Secustone unlock with fingerprint and Mechanical Key and passcode for home, apartment, office, Black. Any product you return must be in the same condition you received it and in the original packaging. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Door Locks & Lock Mechanisms". The seller is "smartsupplies101" and is located in this country: US. This item can be shipped worldwide.