Indoor, 4 Color Dome DVR System. Perfect solution for ceiling mounting surveillance. Dome cameras have smoke housing making it hard to tell where the camera is actually pointing to. This system include 4 Color Dome cameras, featuring 1/3" Sony CCD Image Device, 3.6mm lens, 380 Resolution (480 Extra Hi-Res Available), 0.5 Lux illumination and dimension at 4x3H"inches deluxe casing. This system comes with 4ch Triplex Networkable DVR System, equipped with Triplex functions to record, playback, and network at same time without having to stop and playback. DVR is equipped with 500GB HDD and have no max capacity limit storage space with several ways to backup, main backup with Hard drive, and additional backup by network, or CD-RW. Also has Remote Viewing capability to view over Internet w/client software included. Now all your videos are recorded & stored directly to the built-in 500GB harddrive, re-record by auto overwriting or manually delete videos. DVR can use with any LCD/CRT Monitor or CCTV Monitor **Remote viewing will required Internet access, preference static ip address requirement** 1yr mfg.warranty. System Include: 4-pcs Color Dome camera 4-pcs power adapter for cameras 1-Pack of Connectors 1-500ft RG59 Coaxial Video cable 1-4ch Triplex DVR & Accessories, Remote Viewer Software, Manual, 250GB Included 1-Remote Controller for DVR DVR Specifications DVRType Triplex (Playback, Record, Ethernet) Video inputs 4 Cameras total Video Outputs TVOut, 1 VGA Out, 1 BNC Compression MJPEG4 for longer recording, Highest, High, Normal Loop Yes: 4 Loop out Video Live Display Real Time, Time Date Stamp Audio 4channel audio In, 1channel audio out RCA type Recording Mode Time, Motion, Schedule, Alarm, Disable, Overwrite Continous, Manual Search Event Search, Date & Time search, Perecentage Motion Motion sensing 1-9 control setups Sensor/Alarm 4channel input /4 channel out Recording Speed up to 120FPS NTSC/PAL compatible Resolution 720x240, 352 x 240 Live Screen 1-4 Split, Digital Zoom 2x, PIP Post Alarm Alarm duration: 1-99 second selectable Network Ethernet TCP/IP, Internet Remote Viewing Backup CDRW, USB, Network, Hard Drive up to No Max IDEDrive 2 EIDE Space System NTSC/ Pal compatible PTZ control YES: RS-485, Mouse Dimension 12" x3" x10" inches