... (NTSC)Video adjustSaturation, brightness, contrast , acutance, color adjustableInfrared ImageBuilt-in IR-CutAudioCompression standardG.711InterfaceOne 3.5mmlinear input interface, one 3.5mmlinear ... detective, detector, etc(area and sensitivity setting available)Alarm interfaceOne alarm-in interface, one alarm-out interfaceMotion detectivesupportPrivacy shelter area4Working temperature-10°- 60 ...