Quality you can see and experience at an affordable price. This 4 channel DVR features real time CIF recording, or D1 recording at a lower frame rate, remote Internet monitoring and mobile surveillance through cell phones with Windows Mobile Pro and Symbian OS, iPhones, iPads, Android, and Blackberry on 3G networks. The H.264 compression allows for maximum storage and little loss of quality, while recording video on the included 500GB HD. It can simultaneously display live footage, record, playback, connect via network, and back-up without any recording loss. Q-See's Digital Video Recorders (DVRs) are designed to manage multiple cameras, and enable users to view, record and playback recorded video locally or over the Internet. This system comes with 4 CCD color cameras, and it can be integrated into your current security system.