Why Digital HDB Metal Gate Locks Are Worth the Upgrade Traditional locks cannot equal the keyless access, improved security, and daily convenience that a digital HDB metal gate lock update gives homeowners. These locks do not require physical keys since they use PIN numbers, RFID cards, fingerprint identification, or app-based controls. Upgrading is not just a sensible and more economical choice for Singaporean HDB residents, but it's also a long-term investment in lifestyle and safety. Main Source: https://imperialdoorsg.wixsite.com/imperial-door/post/why-digital-hdb-metal-gate-locks-are-worth-the-upgrade