This Q-See observation system includes a DVR with a built-in 7" LCD monitor. The QR4074-411 uses H264 compression for conserving storage space with little loss of quality while saving files to the pre-installed 320GB hard drive. It also features a built-in quad processor and multiple recording options. Easily backup your vital scenes to a USB flash drive or hard drive. Remotely monitor your assets over the internet via Internet Explorer, or through a cell phone with Window Mobile Pro, Symbian OS, iphones, and some Blackberry models on 3G networks.