The multi-viewing network software shall be a JVC Model VN-S400U or equivalent. The VN-S400U software shall be fully compatible with the latest JVC V-Network cameras such as VN-C30U, VN-C11U, VN-C10U, VN-C3U, VN-C2U, VN-C1U and V-Network Encoder model VN-A1U(A). Also, shall be support functionality of individual features of v-network products such as Pan / Tint / Zoom / Position Memory / Multi-casting / Motion detection and controlling external JVC analog devices. The multi-viewing network software shall feature displays up to 16 camera images either in a single windows or in a single screen. Also, shall assign up to 16 cameras to each window that allowing register a total of 256 cameras which will sequentially switching with designated interval time. The multi-viewing network software shall utilize JPEG compression, picture sizes of 640x480, 320x240 & 160x120 and MPEG4 compression, picture sizes of 320x240 and 160x 120 that transfer a frame rate of 30fps for smooth motion pictures. The multi-viewing network software shall feature easy explorer that has separated Controller viewing screen of recording, snapshot, pan & tilt functions, Data file management screen of alarm list, recorded files & connection of cameras and Live camera viewing screen of 16 windows for JPEG & MPEG images. The multi-viewing network software shall feature recording and playback function including a timer recording and alarm recording. Also, shall feature of e-mail alert function that send e-mail with JPEG images to a preset address when alarm is activated. The multi-viewing network software shall operate under the Windows 2000 Professional (SP3), XP Home Edition (SP1) and XP Professional (SP1) of the English version.