Video
Video input: four channel 1.0V ( P — P) 75Ω impedance ( BNC ), PAL /NTCS
Video output : one channel 1.0V (P — P) 75Ω impedance ( BNC ), BNC or VGA (selectable) output
Show: Four menu or uni-menu can show the back forward.
     Audio
Audio input: four channel and video can input at synchronization mode;
Audio output: one channel output -8 db 22KΩ (BNC)
Audio compression: MPEG1 Layer one/two, Compressing ratio can be selectable
     Recorder
Kinescope frame speed: 100 frame / sec (PAL) or 120 frame / sec (NTSC)
Kinescope Image quality: 9-degree Image quality selectable (6 degree settled by the factory, 3 degree settled by customers) the back forward resolution for every channel is 352*288, uni-channel can reach the image quality of DVD.
Kinescope system: Continuous kinescope, Circular kinescope, Time-lapse kinescope, Movable sense kinescope, Wait-for-police kinescope, kinescope protection when the power is off.
Kinescope time: Kinescope time is decided by the hard disk total capacity and kinescope image quality, selected by customers, 4pcs IDE interface can drive 1~8pcs discretional capacity hard disk directly.
Searches system: do searches according to Kinescope time, Kinescope storage places and success-reporting state.
Back forward system: advance rapidly; withdraw rapidly, up, down, uni-frame image.
     Backup
CD Backup: can do backup with the direct connection for backup interface and record CD, CD storage can on the DVD or play directly on the computer.
Hard disk Backup: can do backup with the direct connection for backup interface and hard disk.
Net Backup: can do backup directly to computer through net interface.
    Alarm
Alarm input: 4 channel input.
Alarm output: 2 channel input.
Buzzer Output: 50dB
Alarm mode: Alarm for image missing, movable sense, and equipment failure (including hard disk failure)
   System
Operation System: Pure hardware compression, Real-time built-in RTOS operation system, Break-away PC system, no need to set up any software, faceplate button or remote controller operation.

Language: Simplified Chinese, fussy Chinese and English menu selectable
Long-distance control: it can be connected with computer through net interface, and can do the operation of surveillance, play, backup, cloud stage and so on, IE browsing can be realized.

Password protection: multi-degree password and popedom setting, guarantee the sincerity and dependability of Kinescope data
System updating: use CD or net to update the system software, safe and dependable, convenient and rapid.

Others
Power supply: 220V or 110V, 50Hz-60Hz
Power: 55W
Battery life-span: 5 year
Operation temperature: Temperature less than 90%, -10 centigrade degree ~ +50 centigrade degree
Size: (L) 380mm* (W) 420mm* (H) 102mm