Interlock Mercury Smart Locks

Looking for a smart lock Singapore homeowners can trust? Interlock Mercury is Interlock's own smart lock brand, serving HDB main doors, condo entrances and landed homes. Interlock has been Singapore's dedicated lock specialist since 2008.

Interlock Mercury smart locks are known for their 3D face recognition, advanced palm vein unlock and smart mobile app access through the Tuya app, so you can unlock remotely, share temporary access and monitor your door from your phone.

The Mercury X6 is our flagship Wi-Fi enabled model, a fully automated mortise lock combining facial recognition, palm vein and fingerprint biometrics with app control built directly into the lock, no separate bridge or gateway needed. Manage access logs and receive mobile notifications straight from your phone.

All orders include professional installation by our certified in-house team, free islandwide delivery and lifetime technical support. We handle door compatibility checks, fitting and aftercare. No third-party contractors.

Browse main door smart locks, gate smart locks and door-and-gate bundles below. Need help choosing the right model? Compare all Mercury models

The Interlock Assurance

Buy your digital lock with less risk.

Compatibility Checked No-Fit, No-Fee 30-Day Workmanship Guarantee Learn about our assurance

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The Interlock Assurance

More Than Just Buying a Digital Lock

We help make sure the lock is suitable for your entrance, properly installed, and supported after installation.

No-Fit, No-Fee Before Installation

We check compatibility before installation. If the planned lock cannot be properly installed onsite and we cannot provide a suitable compatible alternative, you will not be charged for the unsuccessful installation.

30-Day Workmanship Guarantee After Installation

If an issue is confirmed to have been caused by our installation workmanship within 30 days, we will return and rectify the workmanship issue without an additional workmanship charge.

Product warranty coverage varies by product and brand. Please refer to the individual product page for the applicable warranty.

Read the Interlock Assurance

Why Interlock Mercury Smart Locks?

17 years in Singapore. Over 15,000 installations across HDB flats, condos and landed homes. The only dedicated smart lock specialist with a certified in-house team and lifetime technical support.

We do not outsource installations. Every job is handled by our own certified team, from compatibility check to fitting to aftercare.

Interlock Mercury is our own homegrown brand. The only smart lock line built from scratch for Singapore homes, Singapore door sizes and the standards Singapore homeowners expect.

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