The 4CH home security alarm system CCTV system ELP-DVR604HV-D7540F,
It include these products:

1). 1 X H. 264 realtime standalone DVR and 500G hard disk(DVR604HV).
2). 4 X 1/4 Color Sharp CCD, 420TV Line waterproof IR Camera(ELP-D7540F). IR distance: 30M
3). 4 X 20M CCTV Video power cable.
4). 1 X 4CH power adaptor for 4 CCTV Cameras.

About the DVR specification:
1. H. 264 Video Compression, High-performance and high efficient for handing capacity
2. Supports 4 Video-in, 1 video-out; And supports 4 audio-in, 1 audio-out to record sounds
3. Utilize graphic user interface
4. True Sextuple operation simultaneously Non-interference: Preview, recording, playback, backup and network operation
5. Support IE browser centralized monitoring and CMS Software for multiple DVR(up to 36 DVR view per screen)
6. Support Network protocol: TCP/IP, DDNS, PPPoE
7. Ultra simplistic, intuitive, convenient for playback mode, drag the progress bar can be targeted playback time directly
8. Support 4CH playback simultaneously
9. Support PTZ control
10. Supports Multiple backup mode: USB flash drive, USB moving Hard disk and network backup
11. Support Mobilephone Surveillance with Symbian and Window-Mobile
12. Supports pre-alarm recording ( before 5 sec), not lose any suspicious screen
13. Support full mouse control through USB mouse, finishing all the setup and operation.
14. Supports SATA HDD (maximal value of each hard disk is up to 1TB)
15. Support VGA output(optional), connected to VGA display directly, getting more clear picture.
16. Supports wireless IR remote control
17. Supports manual / timer / motion / alarm recording mode
18. System auto recovery to power after power reconnected, and Return to the pre-power-down state
19. Support English, Spanish, French, Russian, Japanese, Thai, Italy, Portuguese, Turkish, Chinese, Germany...Thirteen languages

About the camera specification:
* Image Sensor: 1/4-Inch color Sharp CCD.
* Sync Systme: Internal.
* Resolution: 420 TV Lines.
* S/N Ratio: 48dB (AGC OFF).
* Minimum Illumination: 0 Lux/F1.2(IR on).
* IR Range: 30M.
* White Balance: ATW / AWC switchable.
* Gain Control: AGC ON / OFF switchable.
* Electronic Shutter: NTSC: 1/60~1/120, 000 sec/PAL: 1/50~1/120, 000sec.
* B. L. C. Function: ON/OFF switchable.
* Video Output: Composite 1.0V p-p at 75 ohm.
* Gamma Correction: 0.45.
* Lens Mount: 6mm/8mm(Optional).
* Operation Temperature: -10 degree TO 50 degree.
* Operational Humidity: Within 85%RH.
* Supplied Voltage: DC12V± 1V /500mA.