Both panels are conventional type and has capacity of up to 8 zones.
The ZoneSense is a competitively priced product with minimal panel add-on capability and programmability. It is not as technically complex and therefore is extremely easy to install and commission.
The ZoneSense PLUS on the other hand is a feature rich conventional fire alarm control panel with a host of panel add-ons available. It converts quickly to an Agent Release System to a Smoke Control System.