this camera is built to help protect what matters most. With a recorded image size of 2560 x 1440, 4MP resolution this Q-See IP camera offers a clarity unlike any other analog camera available to the consumer. This high quality camera offers access to video streams via an internet browser or compatible mobile device. A NVR is not required to view live video feeds! Its ability to independently monitor makes it an ideal standalone monitoring asset or peripheral camera to an existing NVR system.