... sensor 2.support 1920*1080 resolution 3.IR distance: 60m 4.built-in SD card slot ... brightness, contrast , acutance, color adjustableInfrared ImageBuilt-in IR-CutAudioCompression standardG.711InterfaceOne 3.5mmlinear input interface, one ... 100M adaptive Ethernet portSerial interfaceOne RS485 interfaceOthersInfrared48 Infrared lamps, 80m infrared distance at mostLinkage alarmVideo sheltered, motion ...