MODEL GS2101D Video System NTSC / PAL (switchable) Video Compression Format H.264 Built-in Operating System Linux Operating System for Network Function Windows Vista / XP Video Input 8 Channels Video Output 2 Channels Maximum Display Resolution NTSC: 704 x 480 @ 30 FPS (Each Channel) PAL: 704 x 576 @ 25 FPS (Each Channel) Maximum Recording Rate NTSC: 352 x 240 with 240 FPS (CIF) PAL: 352 x 288 with 200 FPS (CIF) Multilingual OSD Yes Hard Disk Storage 3.5” SATA x 1, supports HDD up to 1TB HDD Quick Cleaning Quick clean up the "index system" of the recorded files (250GB under 20 seconds) Recording Mode Always / Schedule / Motion Detection / Sensor Triggered Multiplex Operation Recording / playback / network transmitting Independent Remote Operation YES Audio I/O 1 audio inputs, 1 audio output Motion Detection Area 13 x 8 grids per camera for all channels Motion Detection Sensitivity 4 adjustable levels Backup Device 1. USB Flash drive; 2. Network; 3. DVD RW USB Interface USB2.0 Web Transmitting Compression Format H.264 Ethernet 10/100 Base-T. Live view via Ethernet Web Interface IE browser Remote Alarm Notification Email snapshot to specific account Network Protocol TCP/IP, DHCP, PPPoE and DDNS IR Transmitter Yes PTZ Control PELCO-D, PELCO-P Alarm I/O 8 inputs, 1 output Menu Lock Yes Video Loss Detection Yes Camera Title Support up to 8 letters Video Adjustable Contrast / Brightness / Hue / Saturation Date Display Format YYYY/MM/DD, MM/DD/YYYY 3G support Microsoft, Symbian Power Source DC 12V, 5A Dimensions (mm) 400 x 80 x 275 System Recovery System auto recovery after power reconnected