Digital Video Recorder:. H.264 compression video compression. Real time recording @ 360 x 240 resolution. Pentaplex operation - view, record, playback, back up and remotely control the system simultaneously. 24/7 100% duty cycle hard drive pre-installed. Connectivity:. Instant Mobile Viewing on compatible Smart phones. Exclusive LOREX Easy Connect Internet Set-up Wizard. PC (Microsoft Windows 7/Vista/XP) compatible using Internet Explorer browser. Free LOREX DDNS (Dynamic Domain Name Service) for advanced remote connectivity at all times. Instant email alerts. Cameras:. High-resolution AIS (Advanced Image Sensor) 480 TV lines. Lorex Pure Flat lens eliminates image curving. Exclusive infrared filter provides accurate color reproduction in all lighting conditions. Advanced day/night mode - picture automatically switches to B&W delivering better clarity in all low light conditions. Night vision up to 50". Install indoors or outdoors (IP66). Ceiling, counter or wall mountable. Includes remote control, power adapters, mouse, Ethernet cable, CD, 4 x 60" BNC/DC extension cables and VGA cable