Features:

1. MPEG4/MJPEG DVR Technology 
   Compression format providing crystal clear images with real time performance. 
2. Multiplex 
   Allows live display, record, playback, backup and network operation at the same time. 
3. Long-Recording Hours: 
   500GB HDD can record more than 170 days. (4CH, CIF Best Quality, 15IPS) 
4. Backup Function: 
   Supports USB flash drive backup, and network remote recording & backup 
5. Remote Surveillance: 
   Remote surveillance with the licensed software AP and IE browser 
   Web surveillance with 5 users simultaneously 
6. Intelligent Motion Trigger Recording: 
   With advanced settings for motion detection, scheduled motion detection recording (4 different adjustable factors for the motion detection sensitivity) and convenient search function, customized security environment is achieved. 
   Alarm triggered recording will send alerts with images to the designated e-mails and FTP address 
   Supports pre-alarm recording (8MB) 
7. Covert Recording: 
   A mask replaces the live image with a blank screen, and the monitor shows nothing but recording is still on. 
8. A/V Support: 
   Supports 1 audio-in, 1 audio-out to record sounds 
   Supports VGA converter (optional) 
9. General: 
   Supports multilingual OSD 
   Supports IR remote control 
   System auto recovery after power failure 
   Supports daylight-saving function 
   Supports manual / timer / motion / alarm / remote recording functions 
   Watermark function ensures authentication of the recorded images 
   Supports TCP/IP, PPPoE, DHCP and DDNS network connection

Specification:

Video System	NTSC / PAL (switchable)
Video Compression Format	Frame: MJPEG ; CIF: MPEG4
Video Input	4 Channels. Composite video signal 1 Vp-p 75Ω BNC
Video Loop Out	4 Channels. Composite video signal 1 Vp-p 75Ω BNC
Video Output	Main Monitor Output: Composite video signal 1 Vp-p 75Ω BNC Call Monitor Output: Composite video signal 1 Vp-p 75Ω BNC
Maximum Recording Rate	Frame: 720×480 pixels with 30 IPS / 720×576 pixels with 25 IPS CIF: 352×240 pixels with 120 IPS / 352×288 pixels with 100 IPS
Adjustable Recording Speed	Frame: 30, 15, 7, 3 IPS / 25, 12, 6, 3 IPS
	CIF: 120, 60, 30, 15 IPS / 100, 50, 25, 12 IPS
Image Quality Setting	Best, High, Normal and Basic
Hard Disk Storage	IDE type, ATA66, supported HDDï¼ÂŠ1, support HDD capacity over 750GB
HDD Quick Cleaning	Quick clean up the "index system" of the recorded files. 750GB under 2 seconds
Recording Mode	Manual / Timer / Motion / Alarm / Remote
Refresh Rate	120 IPS for NTSC / 100 IPS for PAL
Audio I/O	1 audio input, 1 audio output (Mono)
Motion Detection Area	16 × 12 grids per camera for all channels
Motion Detect Sensitivity	4 adjustable variables with precise calculation for motion detection
Pre-alarm Recording	Yes (8MB)
Backup Device	Network remote backup / USB flash drive backup
Web Transmitting / Compression Format	Motion JPEG
Ethernet	10/100 Base-T. Support remote control and live view via Ethernet.
Web Interface	Support licensed software AP and IE browser
Remote Alarm Notification	E-mail images, and upload images to FTP site's specific account
Network Connection	Support TCP/IP, PPPoE, DHCP and DDNS function
PTZ control	Support PELCO-D protocol
IR Transmitter	YES
Dwell Time (Sequential Channel Switch)	Programmable with adjustable dwell time
Alarm I/O	4 inputs, 1 output
Digital Zoom	2X digital zoom (live mode)
Key Lock	Yes
Video Loss Detection	Yes
Camera Title	Support up to 6 letters
Video Adjustable	Hue / Color / Contrast / Brightness
Date Display Format	YY/MM/DD, DD/MM/YY, MM/DD/YY, and Off
Power Source	DC 19V
Power Consumption	ï¼ÂÂœ42 W
Operating Temperature	10℃ ~ 40℃ (50℉~104℉)
Dimensions (mm)	345mm(W) x 68.3mm(H) x 225mm(D)
System Recovery	System auto recovery after power reconnected
Optional Peripheral	VGA converter, SATA converter