The following lists the main features and capacities of Neutron:
| Maximum Number of Controllers | 8 per Appliance/PC |
| Maximum Number of Readers | 16 per Appliance/PC (8 x NXT Entry and 8 x NXT Exit readers) |
| Maximum Number of Credentials | 1,000 |
| Maximum Number of Access Groups per Cardholder | 8 |
| Maximum Number of Time Intervals per Day | 12 |
| Maximum Number of Time Intervals per Time Schedule | 50 |
| Network Connection | RS-485 - Up to 8 controllers per network |
| Supported Reader Types | NXT Reader, NXT Exit Reader |
| Supported Credential Types | Standard NXT and HID 125 KHz credentials |
| Event Buffer | 4,000 Events held in controller buffer |
| Software Requirements | Keri Visual Doors (v4.3.0.5 or later) - on Windows 8,10 and Server 2012 and 2016 - |
| Offline Configuration | Cardholder identity, credentials, access groups, time schedules, holidays, I/O configuration |
| Firmware Requirements | Compatible with firmware 01.00.15.bin or later |
| Licensing Requirements | Neutron must be enabled in the Doors.NET license |