... (NO, NC)Relay OutSensor-in x 4Relay-out x 4Serial Interface2 x RS-485 (Inx1, Outx1)USB2 x USB 2.0Dimension ( mm )442 ... )5 KgPower Adapter110V / 220V (selectable)Power220WDisplaySpeed120fpsResolution (Pixel)1080p/720pSplit Screen1,4, SEQ.Auto Channel SwitchingSwitching time : 1 ~ 99 secMode Zoom ( ... , Pause, Stop, Slow(1/2, 1/4, 1/8), FF(4, 8, 16, 32), REW(4, 8, 16, 32), Frame Step, Seek ...