Need to keep an eye on employees, your home, or your property? The QT474 has the ideal professional features for easy do-it-yourself surveillance. This 4-channel multiplex DVR uses advanced technology to produce high-quality video, offering H.264 video compression, which compacts video file size, preserves quality, and maximizes recording time. Choose CIF or D1 recording, and get smooth continuous video motion in return. Record using motion detection mode (includes email alerts), schedule or manual mode, and stay connected by backing up or transferring your video footage to a PC, USB flash drive or hard drive. The DVR's multiplex feature allows you to simultaneously record, view live or recorded footage, play back footage, back-up files and remotely monitor and manage your DVR without any recording loss. Don't wonder what's happening while you're away - see for yourself on your compatible smartphone, PC, or Mac computer. Q-See offers a mobile surveillance feature that lets you easily view your cameras' live feeds via the Internet or 3G/4G smartphone. QT series DVRs come with expansive administrative control that lets you make key decisions about how your DVR will work for you. Key features like Universal Plug and Play (UPNP) create seamless communication with other devices on your network. Q-See's Central Management Software (included) lets you remotely access and manage multiple QC-series DVRs from a single computer using just one, simple log-in. Control each DVR just as if you were sitting at it! Instinctive to meet your needs, the user interface is simple to use and the included mouse and remote control make menu navigation stress-free. All Q-See DVRs support worldwide remote monitoring and perform well with home or business computer networks and a variety of security cameras Rely on Q-See to save you money, and with competitive prices, strong warranties, easy installation, and lifetime technical support. Peace of Min - Anywhere, Anytime.