1).Domestic own support handset and PDA migration video frequency monitoring;

2)The domestic own 485 main line tradition guards against the system and the video frequency supervisory system peacefully;

3)Domestic own supports a machine duplex diode, the independence demonstrates the DVR system and the electronic map linkage alarm system;

4)Domestic own may support 128 DVR long-distance networking monitoring in the network to control the software;

5)D1 picture nature, high quality video recording picture, smooth Inetrnet video frequency transmission;

6)Support static IP, dynamic IP, DDNS, etc, TCP/UDP network agreements. Assure high quality clear IE explorer picture;

7)Excellent in network capability, adapt to different network environment from 56Kbps to 1000Mbps, no occupation for the host PC while network connecting;

8)Intelligent search engine for DVR history file, which can review 16路 pictures without any stop at the same time;

9)Support various Zoom and high-speed ball. More protocols can be added according to customer’s requirement;

10)The support from the definition picture division and the length and breadth proportion function, relieves the way insufficiently to have a picture black screen phenomenon perfectly;

11) Various record modes:time recording, motion detection recording, sensor activated recording, manual recording.

Model	JV-7804
Expression	H.264
Video input	4-ch BNC input
Video output	VGA
audio input	4-ch
Display frame	NTSC: 120 F/S(4x30S/F) & PAL:100 F/S (4x25 F/S)
Record frame	NTSC: 30F/S & PAL: 25F/S
Display Resolution	704*576（PAL）&640*480（NTSC）
Record Resolution	704*576（PAL）&640*480（NTSC）
Record Mode	time recording, motion detection recording, sensor activated recording, manual recording
Disk occupation	100－120M /hour
Operation System	Windows 2000/XP
language	Chinese/English