The SFP-2404 is UL 864 9th Edition listed conventional fire alarm control panels with two alarm initiating zones and four initiating zones respectively.
Initiating Device Circuits
SFP-2404: 4 Class B
Notification Appliance Circuits (NACs)
SFP-2404: 2 Class B
Voice Evacuation Available Yes: requires direct connect to FireVoice 25/50
3.0 amps total system power;
SFP-2404 expandable to 6 amps