4 CH DVR Board (OD4120)

Specification Camera Input 4 Channels Record Resolution 704 x 480(576), 704 x 240(288), 352 x 240(288) Display Speed 120/100 FPS (Real Time) Recording Speed Max. 120/100 FPS / 352 x 240 Max. 120/100 FPS / 704x 240 Max. 120/100 FPS / 704 x 480 Audio Recording 4 Channels (Option) Video Output - 1CH Rotation Out - 4CH Multi screen Out Sensor Input (Option) 4 Ports Control Output (Option) 4 Ports Pan / Tilt Camera Control RS-422/485 Interface Watch-dog Function Yes(Hardware/Software)