... detection, time-course video recording modesUSB-Mouse operation; USB backup, USB software upgradeRemote preview, playback, download, copy video ... Ethernet InterfaceUSB interface2 USB2.0, can support USB memory/HDD, USB CD/DVD writerVGA interface1 VGA interface, support ... 1-ch alarm outputPower supplyDC 12VPower consumption9W (without HDD)Working temperature-10°C -- +55°CWorking humidity10%-- ...