Features:

(1) Sophisticated Network Functions: Remote surveillance, remote playback, remote recording, remote control DVR, IE base
(2) Various recording mode: Timer, motion detection, alarm, manual with pre-alarm and watermark
(3) Recording picture quality, resolution & recording frame rate configurable
(4) Multi-method searching: Time, recording event (alarm, motion detection), recording list
(5) Monitoring, recording & playback at the same time
(6) Easy backup: Through network software by scanning HDD or USB port
(7) Recording resolution: 720*288 or 360*288 (PAL)720*240 or 360*240 (NTSC)
(8) Display resolution: 720*576 (PAL), 720*480 (NTSC)
(9) USB Support
(10) With power recovery auto-recording function
(11) PTZ control
(12) IR remote control
(13) Audio & VGA optional
(14) Chinese/English menu switchable

Specification:

Models: HK-S3004EN/HK-S3008EN/HK-S3016EN
Signal system: NTSC/PAL  
Operating system: Embedded RTOS
Video input: 4/8/16 pairs 
Video output: 2 pairs 
Display Speed: NTSC: 120/240/489 fps; PAL: 100/200/400 fps 
Recording Frame Rate 50fps or 100 fps (PAL) 60fps or 120fps(NTSC)
Resolution Display: NTSC: 720*480; PAL: 720*576
Resolution Recording: 720*288 or 360*288 (PAL), 720*240 or 360*240 (NTSC)
Compression Form: Modified MJPEG
H. D. D: Support 2*HDD (More than 200G), ATA-100
Search Mode: Time, date, camera;
Full screen: Yes
System monitoring: Stop, and automatically rebooted to recording mode on restored power supply 
Power requirements: DC 12V/5A
Network: Support
USB: Support
Weight: Gross weight: 10kg; Net weight: 8kg