An IP camera is a surveillance camera, which has a built-in web server, a network interface (Ethernet or Wi-Fi) and can be directly connected to a LAN/WAN/Internet network. Most IP cameras offer motion detection, sending of e-mails, modem support, connection of external sensors, etc. To access an IP camera, software (usually comes with an IP camera) must be installed on the PC or users can access an IP camera via a standard browser. An IP camera can be configured to provide access to the video stream for all network users or only for authorized ones.