1. Video Compression: H.264.Audio compression: ADPCM.

2. Supports standard RTSP 3G mobile phone surveillance. CMS Software.

3. Video input 4BNC&video output 1BNC, 1VGA; audio input 4RCA&audio output 1RCA; voice talkback 1RCA.Alarm function.                                                                                                               4. Full D1 real time. NTSC 720*80 120fps; PAL704*576 100fps.                                                                                                                                                                             5. 4ch full D1 real time recording and network transmission work simultaneously; 1 channel to 4 channel D1 playback.

6. Recording Modes: manual, timing, alarm, motion detection.

7. USB 2.0 and Network backup; supports multi-protocol RS485 PTZ control, PTZ preset points, cruising and tracking functions.

8. Standard IR remote control and mouse.

9. Network: 1 RJ45 10/100MB, TCP/IP, PPPoE, DHCP, DDNS.

10. MAX support 2*1500GB SATA HDD.

11. Language: English/German/Spanish/Russian/Chinese/French/

Korean/Turkish/Portuguese/Italian/Japanese.