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Lusano Space X+ vs Prism+ Sentry: Which is the Smarter Choice for Your HDB Main Door?

As more homeowners in Singapore seek to upgrade their main door security, smart digital locks have become a common sight in new BTO flats. Among the options available, two models often compared are the Lusano Space X+ and the Prism+ Sentry. At first glance, both seem to offer modern aesthetics and core smart features—but which one truly delivers better long-term value and reliability?

Let’s break it down.

1. Slim Body Design: Simpler Installation, Cleaner Look

One key difference lies in the lock body design. While the Prism+ Sentry adopts a relatively thick profile that requires an extra hole on the door surface for installation, the Lusano Space X+ maintains a slimmer silhouette that does not interfere with the door’s surface.

This not only results in a more elegant finish—it also makes future replacements or upgrades easier. In the event the lock malfunctions or needs upgrading, Lusano’s non-invasive mounting ensures your door is preserved.

2. Build Quality & Durability 

The Lusano Space X+ is constructed using premium materials shared with top-tier brands like Moorgen and Lenovo, known for their durability and finish. In contrast, some users have reported that the Prism+ Sentry’s battery cover and back panel feel less robust over time.

A smart lock is something you interact with daily—materials matter when it comes to long-term usage and reliability.

3. Mobile App Experience: Speed and Reliability

Lusano uses a dedicated private server hosted locally in Singapore, ensuring instant push notifications and 100% reliable remote unlock—no need for a WiFi bridge. In contrast, some Prism+ Sentry users have experienced inconsistent performance with their app-based remote unlocking.

With Lusano, the mobile experience is seamless—something crucial in emergencies or when granting access to family or guests remotely.

4. Customer Support and After-Sales Service 

At My Digital Lock, we understand the importance of after-sales support. That’s why we maintain 20 outlets and 25 service vans across Singapore for fast installation and warranty service. If your Lusano lock ever faces an issue, we’re just a short call or visit away.

On the other hand, some users have found it difficult to reach Prism+ support channels for assistance or repairs. A great product should come with great support—that’s what we believe in.

5. Two Versions Available: With or Without Door Viewer 

The Lusano Space X+ is available in two versions:

• Without door viewer: $599
• With door viewer: $899 (includes live view, video intercom, 5G remote unlock, palm recognition, and a 5000mAh battery)

This flexibility allows you to choose based on your needs and budget. The premium version is especially popular among users who want added security and smart features at their fingertips.

6. Fire Rating: A Deeper Look

Yes, the Prism+ Sentry comes with a fire-rated certificate. However, here’s the full picture:

Lusano smart locks are built using the same materials as Lenovo and Moorgen, both of which passed the 2-hour fire resistance test. While we may not label every model with a fire-rated certificate due to the time (10 months) and cost (~$25,000 per model) involved, we ensure all Lusano locks meet stringent material safety and durability standards.

Rather than repeating tests on similar builds, we pass the cost savings to customers—without compromising on safety.

7. Built for the Long Term: A Lock with Soul

At My Digital Lock, we believe in longevity and responsibility. Unlike brands that cycle through models every 1–2 years, Lusano smart locks are built to last, with support for each model extending beyond 5 years.

This means spare parts, repairs, and continued support will always be available, ensuring peace of mind long after your purchase. We aren’t here just for today’s sales—we’re here to grow with you for years to come.

Conclusion: Why BTO Homeowners Prefer Lusano Space X+ 

With its thoughtful design, premium materials, reliable mobile app, and unmatched customer support, the Lusano Space X+ stands out as the better long-term investment for HDB homeowners. That’s why it has become increasingly popular in new estates, while many competitors are already preparing to phase out existing models.

If you’re considering a smart digital lock for your main door, choose a product with proven reliability, responsive support, and a company that’s committed to your long-term satisfaction.

Choose smart. Choose Lusano.