Profile: Onity specializes in electronic locking systems. The HT28 Smart electronic lock contains a multi-technology reader with full interoperability. It combines the read/write capabilities of smart cards with our Revalidator to achieve two-way communication. The CodePro is a new PIN code-based electronic locking system that allows managers &/or owners to instantly and remotely provide access to specific properties for specific periods of time, without the need for a key or keycard.