LevelOne NVR-0104 is an entry Network Video Recorder for home, retailer store and small office applications; The system is compatible with many IP cameras, with no specific hardware or software required, just plug NVR-0104 into your LAN-connected device (switch or router) with few clicks and it will search and configure each connected IP cameras, no more extra work needed. LevelOne NVR-0104 can connect up to 4 IP cameras. via the local area network or over the internet simultaneously.