Xiaomi Smart Door Lock M20 Review: The Ultimate Solution for Home Security

In recent years, the popularity of intelligent electronic door locks has increased due to their convenient and safe features. Multiple unlocking methods and the ability to operate without keys have made these locks popular for homeowners. The Xiaomi intelligent door lock series is one of the most famous brands, having shipped over four million products since its launch in February 2023.

In June last year, Xiaomi launched the latest addition to its intelligent door lock line, the Xiaomi bright door lock M20. This lock brought many innovative designs to the table, including a sleek appearance and improved user experience. Now, Xiaomi has released an upgraded version of the M20, the Xiaomi Smart Door Lock M20 large-screen cat-eye version.

One of the most notable features of the M20 large-screen cat-eye version is the addition of a 3.97-inch IPS screen above the inner door lock. Equipped with a 180° wide-angle camera for the outer door lock and a high-sensitivity image sensor, this screen allows for real-time viewing of visitors outside the door. The wide-angle camera can support 2K resolution and features an all-weather AI humanoid monitoring and recording algorithm, detecting abnormalities and providing timely warnings. Additionally, the screen can adjust left and right according to the monitoring range in front of the door and supports multi-screen linkage for viewing on other devices.

The M20 large-screen cat-eye version also boasts a variety of flexible unlocking methods, including fingerprint unlocking, password unlocking, cycle/one-time password, NFC password, and mobile phone Bluetooth unlocking. The lock can also be linked to intelligent homes for even greater convenience.

Security is one of the most important considerations for any intelligent lock, and the M20 large-screen cat-eye version has this in spades. The second-generation fully automatic brilliant lock body includes a new lock tongue scheme and double noise reduction design, automatically recognizing the door’s opening, closing, and locking. Additionally, the C-level lock cylinder offers the highest security level, ensuring the lock cannot be opened even if the lock body panel is damaged. Private data such as fingerprints and passwords are stored in the encryption chip of the device and will not be transmitted through the network, providing even greater peace of mind.

In conclusion, the Xiaomi intelligent door lock M20 large-screen cat-eye version is a highly secure and convenient addition to any home. With its advanced features and sleek design, it’s no surprise that Xiaomi has shipped over four million of these locks.

Design and Screen

The Xiaomi intelligent door lock M20 large-screen cat’s eye version boasts a sleek and practical design. The integrated processing of the door lock is evident in its simple and restrained fuselage. It is built with an alloy middle frame that exudes a texture that speaks of quality. Moreover, it features the latest IML technology, bringing out the best overall look.

The hollow handle of the previous generation door lock is still in the Xiaomi bright door lock M20 large-screen cat’s eye version. This design is both aesthetically pleasing and practical as it saves space and takes safety into account. It has an innovative anti-pinch feature prevents users from accidentally pinching their hands when pushing or pulling the switch. This feature ensures the door lock is safe and free from security concerns.

The external door lock is installed on the outside of the door, while the internal door lock is installed on the inside of the door. The top of the external door lock features a camera on the left and a human body sensor on the right. The camera has a high-sensitivity image sensor and an F2.0 super-large aperture lens, ensuring a full-color image even in low light conditions. The doorbell icon below the camera automatically lights up when approached. Additionally, the door lock features a password and NFC areas.

The fingerprint identification area is also present in the door lock. It is accompanied by a ring indicator light that flashes in white when verification is passed and red when validation fails. The door lock’s status is easy to see at a glance. The round hole in this area has a hidden keyhole for unlocking in an emergency.

Opening the door lock is easy. You only need to press inward, pop it up and snap it open. If the door lock runs out of power and cannot be unlocked, the emergency power supply port at the bottom of the external door lock provides a solution. The interface is a standard Type-C that can be charged using a power bank or any other device in just a few minutes.

The Xiaomi Smart Door Lock M20 is embedded with a 3.97-inch IPS display screen with a resolution of 2048×1636 and a 180° wide angle. It works in conjunction with the camera of the external door lock, which allows users to view visitors directly without going through the peephole of the door frame.

The Xiaomi bright door lock M20 large-screen cat eye version has several unlocking methods. The upper round black button part is the sensing area in the recessed handle. Holding the handle unlocks the door immediately after placing a finger on it. The silver knob in the middle is the emergency unlock button. It can be rotated clockwise/counterclockwise to the maximum, and the door can be opened by pushing and pulling the door lock. The bottom features an anti-lock paddle that toggles up to open the anti-lock and toggles down to close the anti-lock. After locking, only the administrator can unlock the door through a password, fingerprint, NFC, Bluetooth, or emergency key.

The packaging box contains installation accessories, and it is recommended that users make an appointment on the official website for on-site installation by a master when they receive it. The installation effect of the internal door lock is impressive, and users can clearly see the outside of the door. The cover plate of the door lock is easy to disassemble, and there are two buttons on the left and right above the metal pin: the set button and the reset button. The reset button requires a long needle to poke for 3 seconds to reset the door lock.

The installation effect of internal door locks is essential for ensuring the security and privacy of homes and offices. With the advancement of technology, interior door locks have become more innovative and efficient, providing users with better features and convenience.

Upon opening the internal door lock screen, users can easily see the outside of the door, allowing them to have a clear view of who is outside. The door lock’s cover plate is designed to be straightforward to disassemble, and it can be pulled open from the bottom upwards, making it easy to replace the batteries or access the internal components.

The top of the door lock houses the battery compartment, and the metal pin in the middle is the connection end of the rear panel cover. Above the metal pin are two buttons on the left and right: the set and reset buttons. Long-pressing the setting button for 3 seconds will enable the Bluetooth matching mode, and short pressing will allow the local setting mode. On the other hand, the reset button needs to be poked with a long needle for 3 seconds to reset the door lock.

Inside the battery compartment of the internal door lock, two sets of batteries are located, and the outside of the battery compartment features a lithium battery, which has been removed, leaving a layer of dry batteries underneath. The door lock will remind users locally when the power is insufficient, and the remote pairing device will also pop up a corresponding prompt, reminding the user to replace and charge the batteries in time. Eight dry batteries are required to power the door lock, which can provide up to 12 months in theory.

Moreover, the Xiaomi Smart Door Lock M20 has a rechargeable lithium-ion battery to power the cat-eye, with a capacity of 5000 mAh. This battery can support a maximum charging speed of 10A and theoretically provide a battery life of 4-6 months. The charging interface of the battery also uses Type-C, which can share the same type of cable with the mobile phone, eliminating the need to search for charging cables when the battery is low.

On the other hand, the installation effect of outdoor door locks is equally essential. These door locks come with a doorbell button that lights up when a person is detected, providing added convenience and security to the user.

Xiaomi M20 Door Lock Functions

The Xiaomi Smart Door Lock M20 lock is safe and incredibly convenient. Users can control the intelligent door lock with their mobile phones, making it an essential gadget for anyone looking to keep their home secure.

Real-time monitoring is one of the most remarkable features of the Xiaomi Smart Door Lock M20 large-screen cat’s eye version. Users can access the device interface through the Mijia App and view a real-time screen of their front door. They can check the power of the door lock and replace it when the power runs low. Additionally, users can access a log of all the door’s events, such as opening and closing the door, someone ringing the doorbell, etc. The record is detailed, making it easier to monitor the front door’s activity.

Another remarkable feature is the AI humanoid detection algorithm function. The M20 large-screen cat’s eye version can identify outsiders and immediately shoot and record them. The footage is uploaded to cloud storage, which can be stored for up to three days. This feature enables users to view the video footage and identify any abnormal situations that may have occurred.

The Xiaomi Smart Door Lock M20 large-screen cat’s eye version focuses on cat-eye monitoring, and the 180-degree ultra-wide angle camera provides a super-large field of view. This is particularly useful in areas where the aisle is not comprehensive, and the ultra-wide-angle camera can capture more angles to prevent criminals from waiting outside for an opportunity to enter.

The screen has four buttons: mute switch, screen recording, screen capture, and one-time password. The one-time password can generate a random password and display it for a specific time, making it incredibly convenient for tenants when they have visitors or during inconvenient times.

The voice call feature allows users to use the voice-changing call option if they are a female or child user at home. Currently, the system provides two sound effects, clown and uncle, to ensure your safety. The quick reply feature enables users to pre-select several preset quick replies and customize the answer by adding a voice reply, which is very convenient and considerate in terms of security.

Password

In the world of technology and innovation, there is a vast array of options to unlock devices, ranging from fingerprints to NFC and passwords. Users can choose the method that suits them best, depending on their preferences and convenience.

One of the unique features available to users is the duress password. This password is a specialized function in the Xiaomi bright door lock M20, designed to enhance security measures. It acts as a safety net when someone is forced to open the door against their will.

When the door lock is picked, or someone is coerced into using their fingerprint to unlock it, the duress password feature is activated. The system responds by triggering a local alarm and notifying the user via the mobile application. Moreover, it automatically calls a preset contact to alert them of the situation. This feature ensures that the user is aware of the status of their door lock in real time.

It is important to note that users should stagger the input of the duress password with commonly used fingers to prevent others from guessing it. The duress password feature is a revolutionary innovation in intelligent door lock technology, providing users additional security and peace of mind.

Verdict of Xiaomi M20 Door Lock

The Xiaomi Smart Door Lock M20 large-screen cat’s eye version has a camera and screen, making it easier for users to view and interact with their homes. This version also cooperates with Mijia equipment, enabling automatic operations such as turning off lights when away, activating sweeping robots, and turning on lights when arriving home. The seamless integration with other Mijia devices makes this bright lock ideal for anyone looking to experience the convenience of intelligent interconnection.

With the Mijia app, AI humanoid detection, one-time password, and voice call capabilities, residents can easily monitor their homes even when not physically present. The intelligent linkage of different scenes is unparalleled, providing users with the ultimate home experience.

The Xiaomi intelligent door lock M20 large-screen cat’s eye version comes with a new generation of fully automatic noise-reducing lock body, recessed handle, and a C-level lock cylinder and straight core structure – all of which make it the safest and most advanced door lock available. With this smart lock, users can rest assured that their homes are protected from potential security threats.

Building a smart home requires intelligent door locks, and the Xiaomi bright door lock M20 large-screen cat’s eye version is an indispensable part of this process. This device enhances security and provides an unparalleled interactive experience for users.

For a limited time, the Xiaomi intelligent door lock M20 large-screen cat’s eye version is available for purchase at the introductory price of 1899 yuan, including an NFC card. With comprehensive functions and an unbeatable user experience, this bright door lock is a must-have for any modern home. Choose the Xiaomi bright door lock M20 large-screen cat’s eye version for unparalleled safety and convenience.

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