• H.264 Baseline: 9 selectable video quality levels
• Hexaplex operation - simultaneous record, live, playback, backup, control, & remote access
• Mixed operation windows - Playback Search for selected channel in the live monitoring mode
• Recording quality can be configured into two groups - better usage of hard disk
• 5 network clients supported
• Network audio conferencing capability
• Playback search by time or event (alarm, motion, & video loss)
• Multilingual support
• Multi-level password to ensure high degree of security
• Supports mouse and remote control
• Support mobile phone, WAP protocol

Model	DS-284	DS-294
Video Input / Output	NTSC/PAL:BNC 4CH In /1CH Out/1CH SPOT Out
Display Resolution	NTSC : 720x480; PAL: 720x576
Recording Frame rate (IPS)&Resolution	NTSC:30/720x480;60/720x240;120/360x240 PAL:25/720x576;50/720x288;100/360x288
Compression Format	Video:H.264 Baseline Compression; Audio: ADPCM
Hard Disk Capacity	Up to 500G Bytes, SATA interface HDDx1	Up to 500G Bytes, SATA interface HDDx2
HD Rack	Built in Fixed HD Rack
Recording Time	7~20 days with 500GB HD for continuous recording mode @ 25 fps
Recording Mode	continuous, motion detection, sensor activated, time schedule
Sensors, Alarm	4 lnput,1 Output(Alarm)
Audio	1CH ln,1CH Out(Stereo)
Network Interface	1 RJ45 10/100Mbps Ethernet Connector
Media Backup	1 SD slot/1 USB 2.0 ports for USB 2.0 flash disks,DVD+RW,DVD±R, card readers HDD
VGA Output	Optional
PTZ Control	RS-485 / RS-232
IR Remote Control Unit	Yes
PS/2 Mouse	Yes
Operating Temperature	0℃～+50℃
Power Supply	100~240 VAC/DC 12V,5A(Adapter lncluded)
Dimensions(LxWxH)	315x250x52mm	370x370x70mm