SentriLock vs. Supra
Choosing a hardware partner for an entire MLS or Association requires looking at long-term infrastructure stability. Leading markets are upgrading to SentriLock to gain better physical security manufacturing, double the active battery lifespan, and access native showing software features built right in.
Engineered for operational longevity
Legacy systems demand constant battery swaps and separate apps for access logs. SentriGuard® delivers a 10-year active battery and native Bluetooth® verification for unalterable audit trails.
Built to outlast the competition
A decade of power without a single swap
Unalterable access logs to create a secure audit trail


A decade in the field
Double the operational lifecycle of competing boxes, eliminating costly maintenance calls for staff.
Built with corrosion-resistant, military-grade steel vaults to survive extreme environmental stress.
Issue precise, time-restricted access credentials to out-of-market non-members without hidden platform access surcharges.
Unalterable access logs are verified directly at the lockbox, not through a separate app.
Compare the core features
Ready to elevate your market's showing experience?
Connect with our team to see how SentriLock's integrated platform can help streamline workflows, protect property data, and delight your members.
