... . It uses the embedded processor and embedded operating system. DVR4000HS combining the newest technologies, such as the audio compression / ... IP network technology. The operating system is store in FLASH. DVR4000HS support digital video recorders (DVR) and digital video server ... USB2.0, 1 USB1.1NetworkRJ45 10M/100MPowerDC 12V 4AAccessoriesl DVR4000HS devicel IR Remote controll USB mousel SATA Data *2l ...