Main processor:High performance embedded microprocessor;
Operation system: Embedded LINUX operation system;                                                                                      
Real-time surveillance: Analog interface and VGA interface
(VGA interface is equipped selectively)
surveillance function through monitor or display;   
Display: 1/4image display;
Recording speed(CIF): PAL, 100fps overall;           
Video input: 4 BNC;                                                                     
Support 2 HDD.                                                                       
With alarm function.