| Feature | Keri KB | Keri Legacy NXT | Keri NXT |
Borealis Compatible | Yes | Yes | Yes |
Doors.NET Compatible | No | Yes | Yes |
ADA Extended Unlock Timing | Yes | Yes | Yes |
Automation Rules | No | No | Yes |
Auto-Unlock Time Schedules | Yes | Yes | Yes |
Basic I/O Control | Yes | Yes | Yes |
Credential Types | Yes | Yes | Yes |
Card + PIN | Yes | Yes | Yes |
Door Forced and Door Held Open Alarm | Yes | Yes | Yes |
Elevator Control | No | No | Yes |
First Person In | Yes | Yes | Yes |
Integration with Geokey * | Yes | Yes | Yes |
Programmable Unlock Time | Yes | Yes | Yes |
Supports Mercury MR16 Modules | No | No | Yes |
Supports NXT 4x4 Modules | Yes * | Yes * | Yes |
Supports NXT Exit Readers | No | No | Yes |
Supports OSDP Readers * | No | No | Yes |