First Alert 1501 - Manual (Page 45)

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Technical Information
Video
Compression H.264
Total Resource 120 frame (30 fps/ch)
Live Picture Resolution D1 (704×480)
Playback Resolution CIF (352×288)
Input 4 CH BNC
Output 1 CH BNC (max. resolution 1024×768)
Video Standard NTSC
Recording
Record to Video Manual, schedule, motion
Record to Log Motion, alarm recording
Storage and Backup
HDD 1 X SATA HDD
HDD Volume 1T
Backup USB device, remote, local HDD
Network
Net Ethernet 10/100 Base-T, RJ45
Protocol UDP/IP, TCP/IP, IGMP (multicast),
DNS&DHCP client, PPPOE, DDNS
Internet Viewing IE browsing
Mobile Surveillance Supports 3G mobile surveillance
I/O
Alarm Input 4 CH
Alarm Output 1 CH
RS485 1X RS485
RS232 1X RS232
USB 2X USB for USB mouse and other USB device