1) Video Input / Output: 4 / 1 output  
2) audio compression format / audio input / output, 8KHZ * 16BIT ADPM, 4BNC input / 1 output  
3) Alarm type: motion detection, sensor triggered, video loss, disk full, hard drive error  
4) Alarm input / output: 2 input / 1 output  
5) shows frame rate /: Each PAL 25 / second NTSC: 30 frames / sec  
6) Playback Resolution: PAL: CIF (352 * 288) NTSC: CIF (352 * 240)  
7) Video total frame rate: PAL: 100 frames / second @ CIF NTSC: 120 frames / second @ CIF  
8) Video mode: manual recording, timer recording, motion detection, alarm trigger  
9) Hard disk: support SATA hard drives and USB Hard Drive  
10) Network Protocols: Support TCPIP / UDP / DHCP / DNNS / PPPOE and other agreements  
11) Network function: Support IE browse, monitor real-time network, the network DVR parameter settings, monitor phone  
12) USB2.0 Interface: Supports mouse, mobile hard drives and U disk backups, upgrades  
13) playback mode: normal play, fast forward, play, rewind playback, manual single frame and slow release  
14) Network Interface: 1 RJ45 10M/100M adaptive Ethernet port  
15) PTZ control: built-in RS485 port, support PELCO-P and PELCO-D protocol  
16) Backup Function: Support U disk / HDD backup, USB burner backup, network backup  
17) Power Adapter / Power: DC 3A/12V / 16W  
18) Operating temperature / Humidity: 5 ℃ ~ +50 ℃ / 10% ~ 90%