... CMOS sensor 2.support 1920*1080 resolution 3.IR distance: 60m 4.built-in SD card slot 5 ... , brightness, contrast , acutance, color adjustableInfrared ImageBuilt-in IR-CutAudioCompression standardG.711InterfaceOne 3.5mmlinear input interface, one 3. ... mostLinkage alarmVideo sheltered, motion detective, detector, etc(area and sensitivity setting available)Alarm interfaceOne alarm-in interface, one ...