# Screen-Equipped Smart Locks The Xiaomi Smart Door Lock M40 Features Biometric Security By Michael Hemsworth | Published 2025-11-25 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/xiaomi-smart-door-lock-m40 References: [t3](https://www.t3.com/home-living/smart-home/xiaomi-launches-affordable-smart-lock-weeks-after-its-high-end-model-and-theyre-nearly-identical) & [mi](https://www.mi.com/global/)  The [Xiaomi](https://www.trendhunter.com/trends/xiaomi-smart-door-lock-x) Smart Door Lock M40 is the brand's latest piece of smart home equipment that's engineered with an array of advanced features to maximize its versatility within the modern living space. The lock is outfitted with [facial recognition technology](https://www.trendhunter.com/trends/switchbot-lock-vision-series) alongside a [fingerprint scanner](https://www.trendhunter.com/trends/desloc-b200) and PIN pad to maximize access for users, while also allowing for management via the Xiaomi app. The smart lock is also paired with a 4.98-inch display on the interior unit to help users see who's knocking without the need for a peephole or the app. The Xiaomi Smart Door Lock M40 makes use of a dual-camera system to achieve a 190-degree field of view to help users see if parcels are delivered. The lock is rated to offer up to six months of use per charge. Image Credit: Xiaomi ## Trend Insights (Trend Hunter) - Score: 3.1/10 - Popularity: 17% | Activity: 19% | Freshness: 56% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Tech](https://www.trendhunter.com/tech) ## Key Themes ### Key Themes Behind This Trend - **Biometric Security Integration:** Incorporating facial recognition and fingerprint scanning into everyday devices reflects a shift towards more personalized and secure access solutions. - **App-connected Smart Devices:** The trend of controlling home devices through dedicated apps signifies a growing demand for seamless and remote management capabilities. - **Smart Home Displays:** Equipping interior units with screens, as seen in the Xiaomi lock, highlights an emerging preference for multi-functional household gadgets that offer more interactive user experiences. ### Where This Applies - **Home Security:** The increasing use of sophisticated locking mechanisms represents a transformative shift in the home security landscape towards more tech-driven solutions. - **Consumer Electronics:** Smart locks equipped with advanced features like dual-camera systems demonstrate the convergence of electronics and home technology for enhanced convenience. - **Smart Home Automation:** Innovations such as app-controlled door locks with biometric capabilities are revolutionizing the home automation industry by pushing the boundaries of integrated smart home systems. ## Related on Trend Hunter - [Low-Cost AI-Powered Security Cameras](https://www.trendhunter.com/trends/xiaomi-smart-camera-4c.md) - [In-House Processor Smartwatches](https://www.trendhunter.com/trends/xiaomi-watch-s4.md) - [WiFi-Enabled Accessible Smart Locks](https://www.trendhunter.com/trends/wyze-lock-bolt-v2.md) - [Budget-Friendly Smart Locks](https://www.trendhunter.com/trends/tapo-dl100.md) - [Smart Doorbell Cameras](https://www.trendhunter.com/trends/aqara-g410.md) - [Quad-Access Connected Doorknobs](https://www.trendhunter.com/trends/tcl-k1.md) - [Discreetly Connected Smart Locks](https://www.trendhunter.com/trends/level-lock-pro.md) - [Multilevel Authentication Smart Locks](https://www.trendhunter.com/trends/tcl-dr2-max-retrofit-smart-lock.md) - [Futuristic Palm-Scna Locks](https://www.trendhunter.com/trends/tcl-d2-pro.md)