... .Easy backup: supports USB device, network and client software backup9.Supports Alarm triggering, buzzer, PTZ preset,show message ... function in playback and live viewOperation System :Embedded LINUX Compression :H.264 Video Input :4 Channel Video Output :2 Channel ... Spanish, Thai, Chinese, Traditional Chinese, Turkish, optionalVGA Display :Yes Software Upgrade :USB/IE/MC Power Supply : 12V / 3A Working ...