A high-end, hyper-realistic architectural photography shot of a sleek Mercury digital door lock on a premium dark wood designer door. The hand is held open and hovering 10cm directly above the top edge of the lock hardware, aligning with an upward-angled palm-vein camera. A sophisticated blue holographic light beam projects upward from the top end of the lock to scan the elevated palm. The hand is positioned in the upper third of the frame, clearly separated from the device to showcase the contactless metho
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"Interlock Singapore transformed our home security. The installation was seamless and the quality is outstanding!"

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Digital Door Locks for HDB, Condo & Landed Homes

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Compare Mercury Models

Smart Gate Locks for HDB & Condos
Interlock Mercury G3 | First Dual Camera Gate Lock in Singapore
Best for HDB Gates

Interlock Mercury G3 Digital Gate Lock with Dual Camera Security

Gate security in Singapore homes often faces unique challenges compared to main door security. Unlike interior doors, gates are exposed to corridors, visitors, and delivery activity — making visibi...
$649.00 $749.00 Save $100.00
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Interlock Mercury G2 Smart Gate Lock, all new in Singapore 2025
Most Affordable for Gates

Interlock Mercury G2 Digital Gate Lock

Our Interlock Mercury G2 smart gate lock is one of several smart digital gate locks perfect for Singapore’s HDB gates. It offers advanced security paired with modern convenience, utilising a facial...
$599.00 $699.00 Save $100.00
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Door & Gate Digital Lock Bundle
Interlock Mercury Digital Lock Bundle
Best Digital Lock Bundle in Singapore

Interlock Mercury Digital Door & Gate Lock Bundle

The Ultimate Dual-Lock Smart Security System for Homes in Singapore Upgrade your home security with Interlock’s Mercury Door & Gate Lock Bundle — a powerful combination of our latest smart gate...
$1,049.00 $1,199.00 Save $150.00
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Digital Lock Assessment

Personalised Lock Recommendations

Struggling to find the perfect lock for your home?

Every home is different and so are your doors. In just a minute, tell us a little about your home setup and what matters most to you.

Our team will match you with the best digital lock options and send you a quick digital door lock recommendation with pricing guidance.

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Why Interlock Mercury is the Smarter Choice

Advanced security features designed for modern Singapore homes

Never Locked Out

USB-C backup power keeps you secure even during power outages.

Smart & Simple

Multiple access methods: fingerprint, PIN, app, and card options.

Built for SG Homes

Sleek design, durable construction, and low maintenance for Singapore homes.

Our Interlock Mercury Digital Lock Portoflio

Interlock Mercury X6
Interlock Mercury X5
Interlock_Mercury_V6_Customer_Gallery_1
Interlock Mercury V6
Interlock Mercury V5 Customer Gallery
Interlock Mercury V5
Interlock Mercury G2
Interlock Mercury G1 Customer Gallery
Interlock Mercury V5

Compare Mercury Smart Lock Models

Choose the right Mercury model for your home, budget, and preferred access methods.

Interlock Mercury X6 Smart Digital Door Lock with HD Door Viewer and Facial and Palm Vein Recognition. All new Singapore 2025.

Mercury X6

The Visionary

$900

The Design Enthusiast.
Discerning homeowners who want their door to reflect a modern, luxurious lifestyle.

Design profile
Ultra-Slim & Tapered
Total Access Methods
10
Palm Vein
✔
Facial Recognition
✔
Fingerprint + Card + PIN
✔
One Time PIN
✔
Temporary/Periodic PIN
✔
HD Door Viewer
3.25 inch
Camera & lens
Wide Angled + Night Vision Enabled
App / smart-home
Tuya Smart Life
Dual Sync
✔
Battery type
Single Lithium Battery
Manual key
✔
Emergency Usb Backup Port
✔
Body Material
Aerospace-Grade Aluminum
Security
Anti-pry + tamper alarm + visitor records
Best For
Designer Aesthetic & Elite Tech
Interlock Mercury V6: The Next Gen Smart Digital Lock

Mercury V6

The Guardian

$850

The Smart Budgeter.
Families who want flagship features (Face ID + Video Intercom) without the flagship price.

Design profile
Streamlined & Balanced
Total Access Methods
9
Palm Vein
✔
Facial Recognition
✔
Fingerprint + Card + PIN
✔
One Time PIN
✘
Temporary/Periodic PIN
✔
HD Door Viewer
4 inch
Camera & lens
Wide Angled + Night Vision Enabled
App / smart-home
Tuya Smart Life
Dual Sync
✔
Battery type
Dual Lithium Battery
Manual key
✔
Emergency Usb Backup Port
✔
Body Material
ABS (Acrylonitrile Butadiene Styrene)
Security
Anti-pry + tamper alarm + visitor records
Best For
BTO Smart-Home Entry.
Interlock Mercury X5 Smart door Lock with Facial Recognition and HD Door Viewer

Mercury X5

The Professional

$800

The Multi-Gen Household.
Ideal for homes with Seniors & Children whose fingerprints may be faded or hard to scan.

Design profile
Ultra-Slim & Tapered
Total Access Methods
9
Palm Vein
✔
Facial Recognition
✔
Fingerprint + Card + PIN
✔
One Time PIN
✘
Temporary/Periodic PIN
✔
HD Door Viewer
4 inch
Camera & lens
Wide Angled + Night Vision Enabled
App / smart-home
Tuya Smart Life
Dual Sync
✔
Battery type
Single Lithium Battery
Manual key
✔
Emergency Usb Backup Port
✔
Body Material
Aluminum Alloy
Security
Anti-pry + tamper alarm + visitor records
Best For
Multi-generational homes

Need help? Message us and we’ll recommend the best-fit Mercury model.

How Installation Works

From choice to support, your Interlock install is fast, guided, and handled by our in-house team.

Browse & Select

≈ 2 min
Choose from our premium collection of digital locks designed for Singapore homes and offices.
  • Browse premium lock models
  • Compare features and prices
  • Read customer reviews
Shop Digital Locks Get Expert Advice

Free Consultation

≈ 30 min
Our certified team will do a live video call with you to assess your door and recommend the perfect lock solution.
  • Professional door assessment
  • Personalised recommendations
  • Free quote provided
Book Consultation Call Now

Order Confirmation

≈ 5 min
Secure your order with flexible payment options and schedule your preferred installation date.
  • Flexible payment plans
  • Choose installation date
  • Order confirmation sent
Place Order Payment Options

Professional Installation

≈ 2 hours
Our certified installers arrive on time with all tools and complete the installation with precision and care.
  • Certified technician service
  • Clean, precise installation
  • Minimal disruption to home
View Installation Installation Guide

Setup & Training

≈ 30 min
Learn how to use your new digital lock with comprehensive training and setup of all features.
  • Complete feature walkthrough
  • User code setup
  • Operation demonstration
User Manual Video Tutorials

Ongoing Support

Lifetime
Enjoy peace of mind with our comprehensive warranty and dedicated customer support team.
  • Comprehensive warranty coverage
  • Lifetime Online technical support
  • Regular maintenance reminders
Contact Support
1

Browse & Select

≈ 2 min
Choose from our premium collection of digital locks designed for Singapore homes and offices.
  • Browse premium lock models
  • Compare features and prices
  • Read customer reviews
Shop Digital Locks Get Expert Advice
2

Free Consultation

≈ 30 min
Our certified team will do a live video call with you to assess your door and recommend the perfect lock solution.
  • Professional door assessment
  • Personalised recommendations
  • Free quote provided
Book Consultation Call Now
3

Order Confirmation

≈ 5 min
Secure your order with flexible payment options and schedule your preferred installation date.
  • Flexible payment plans
  • Choose installation date
  • Order confirmation sent
Place Order Payment Options
4

Professional Installation

≈ 2 hours
Our certified installers arrive on time with all tools and complete the installation with precision and care.
  • Certified technician service
  • Clean, precise installation
  • Minimal disruption to home
View Installation Installation Guide
5

Setup & Training

≈ 30 min
Learn how to use your new digital lock with comprehensive training and setup of all features.
  • Complete feature walkthrough
  • User code setup
  • Operation demonstration
User Manual Video Tutorials
6

Ongoing Support

Lifetime
Enjoy peace of mind with our comprehensive warranty and dedicated customer support team.
  • Comprehensive warranty coverage
  • Lifetime Online technical support
  • Regular maintenance reminders
Contact Support

A Homeowner's Guide

Digital Door Locks in Singapore

In Singapore, a digital door lock specifically refers to the main access lock used on the primary wooden entrance door of a home — distinct from digital gate locks, glass door locks, or rim-style auxiliary systems. It replaces or integrates with a traditional mortise mechanism, offering keyless access through methods like fingerprint, PIN code, or app verification. Unlike gate locks, it must balance interior aesthetics with the structural standards of heavy wooden or fire-rated doors. The digital door lock serves as the first point of home security, combining durable mechanical engineering with intelligent access control built for local door formats.

Common Door Types in Singapore and Their Locking Constraints

Singapore residences commonly feature four primary door categories: solid timber entry doors in newer condominiums, veneer fire-rated doors in HDB flats, engineered doors in resale units, and thicker solid-core wooden doors in landed homes. Each variation demands precise lock-body sizing, spindle alignment, and fire certification compliance. A fire-rated door, for instance, can only be modified within regulated tolerances to maintain its safety classification. Older flats often have offset door frames or thinner panels, limiting mortise depth. Selecting a lock designed with these constraints in mind ensures proper fitment, safe operation, and long-term structural integrity after installation.

Design Philosophy Behind a Purpose-Built Digital Door Lock Series

A purpose-built digital door lock series such as the Interlock Mercury Series follows a unified system architecture — meaning each model shares core mechanical standards, aesthetic principles, and component interchangeability. This design discipline ensures consistency in performance and service support across multiple home types. The series-based approach also emphasizes ergonomic commonality, intuitive interfaces, and reliable power management across different access configurations. For homeowners, it translates into a familiar experience throughout upgrades or replacements, maintaining a coherent design language and security foundation without introducing unnecessary complexity or compatibility risks.

Security Beyond Access Methods

While access features—such as biometrics or PIN entry—define daily convenience, true security depends on the lock’s internal architecture. A well-engineered digital door lock integrates a reinforced mortise body, hardened bolt construction, and precise alignment with the door structure to resist physical breaches and prolonged wear. The lock’s chassis and frame engagement are tested to handle frequent impact and torque over years of use. Beyond electronics, mechanical tolerances, anti-pry shielding, and tamper isolation circuits ensure that security persists even under improper use or environmental stress — supporting sustained reliability in Singapore’s humid conditions.

User Experience in Daily Singapore Living

Singaporean homes experience high door-traffic density — from family members returning throughout the day to helpers facilitating daily routines and parcel deliveries. A competent digital door lock accommodates multiple user profiles without compromising control or longevity. Features such as intuitive entry under low light, quiet latch operation for late-night access, and seamless transition between manual override and digital functions matter in daily life. The ideal lock remains consistent during heavy weekday use, prevents accidental lockouts, and maintains dependable performance even under varying power levels and frequent handling common in urban apartment environments.

Choosing a Digital Door Lock for Long-Term Use

A digital door lock should be chosen with the same foresight as any structural home component — expected to function reliably for a decade or more. Long-term suitability depends on modular build standards, serviceable mechanical parts, and firmware designed for stable, offline operation when needed. Homeowners should assess build materials, internal motor quality, and service infrastructure rather than surface features. A well-specified system continues operating with consistent accuracy, even as households evolve or user needs expand. Treating the lock as part of the home’s permanent infrastructure ensures enduring value and security resilience over years of use.

Our Honest Thought

Popular Digital Door Lock Brands in Singapore

Singapore’s digital door lock landscape includes a mix of locally developed systems and internationally recognised brands, each addressing different installation needs, access technologies, and smart home preferences. Homeowners typically encounter a combination of Singapore-focused digital door locks designed for local door formats alongside global brands adapted for use in HDBs, condominiums, and landed homes.

Interlock Mercury

Interlock Mercury is a Singapore-focused digital door lock series developed specifically for local residential doors. Its systems are designed around common wooden door formats found in HDB and condominium units and are often offered as bundled door-and-gate lock solutions with shared access control. The Mercury line places emphasis on multi-access flexibility, app-based management, and family-friendly authentication options suited to multi-generational households.

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Yale / Gateman

Yale and Gateman are widely recognised international brands known for their long-standing presence in the digital door lock category. Their offerings typically include mortise and push-pull digital door locks adapted for Singapore installations, with a focus on reliability and familiarity among homeowners upgrading from traditional locks.

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Samsung/Zigbang

Samsung Zigbang represents the continuation of Samsung’s digital lock ecosystem following its acquisition by Zigbang. These digital door locks are recognised for their clean design language and integration with Samsung’s broader smart living approach, with selected models adapted for regional installation requirements.

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Lockin

Lockin digital door locks focus on smart connectivity and app-based access control, often appealing to homeowners building app-centric smart home setups. The brand is associated with mobile-first management and modern authentication features.

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Aqara

Aqara digital door locks are closely tied to smart home ecosystems, particularly for users already using connected home devices. In Singapore, Aqara locks are often chosen for their automation capabilities and compatibility with wider smart home platforms.

View More

Kaadas

Kaadas is known for modern push-pull digital door lock designs and a broad product range that caters to different access preferences. In Singapore, Kaadas models are commonly selected for their aesthetics and variety of biometric and keypad-based unlocking options.

Latest Digital Door Lock Trends in Singapore

Digital door lock trends in Singapore increasingly centre on multi-access systems and app-based control to support smart homes and multi-user households. Homeowners favour locks that combine PIN codes, biometrics, RFID, and mobile apps, allowing flexible access for children, elderly family members, and helpers. Contactless technologies such as palm vein recognition are gaining traction for their hygiene benefits and ease of use, while bundled door-and-gate lock systems with shared access control are becoming more common, offering a unified and seamless security experience across both entry points.

How Singapore Homeowners Evaluate a Digital Door Lock

When choosing a digital door lock in Singapore, homeowners typically prioritise practical fit, daily usability, and long-term reliability over brand recognition alone. Evaluation often focuses on how well the lock integrates with existing doors, household routines, and smart home systems.

Door & Mortise Compatibility

Fit with existing wooden doors and local mortise dimensions is critical to ensure stability and proper operation.

Access Flexibility

Multi-access systems support different users, allowing children, elderly family members, and helpers to unlock the door comfortably.

Smart & App-Based Control

App connectivity enables access management, activity tracking, and temporary permissions, making it a key decision factor.

Climate & Usage Durability

Locks must perform reliably under humid conditions and frequent daily use.

Installation Quality & Support

Professional installation and accessible after-sales service provide long-term peace of mind.

Where Singapore Homeowners Buy Digital Door Locks

Digital door locks in Singapore are commonly purchased through a combination of online research and local specialist suppliers, with many homeowners favouring providers that offer both the lock and professional installation.

Brand Websites & Online Platforms

Homeowners often begin by comparing models and features through official brand sites and online listings.

Specialist Digital Lock Retailers

Dedicated retailers offer a broader range of door-specific models and technical advice.

Installation-Inclusive Providers

Many buyers prefer suppliers who manage both supply and installation to ensure proper fitting.

Local Digital Lock Specialists

Companies such as Interlock Singapore operate as both product providers and installers, reflecting local demand for convenience and technical assurance.

Installation Quality & Support

Professional installation and accessible after-sales service provide long-term peace of mind.

Your Door Deserves More Than a Key

Experience the peace of mind that comes with Singapore's most trusted digital lock specialists. Since 2008, we've secured thousands of homes with premium locks, expert installation, and unmatched local support. Don't settle for ordinary security when extraordinary protection is just a click away.

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