The exclusive QT454-438-5 helps you capture details such as voice, facial, and object recognition with our Full D1 resolution capability on all channels, high-resolution, and pre-installed microphone cameras. Save weeks of footage on the included 500GB hard drive and watch playback while still recording and connecting to the internet. Receive email alerts on your smartphone when your DVR detects motion! This helps alert authorities when your property has been broken into. You can also be notified of a full hard drive or video loss. Feel safe while you?re away by monitoring via internet. The 2X digital zoom works on live view and playback giving you clear, large images. With the full D1 recording resolution option, you will capture even more detail with magnified smooth, real-time images. The DVR will need to be connected to your router just one time with our Universal Plug and Play (UPnP) feature, which forwards ports seamlessly for remote viewing. Two premium cameras offer high-quality images with 520 TV lines of resolution and advanced Sony CCD sensors. See what goes on clearly up to 60 feet with 36 infrared LEDs. The remaining cameras come with built-in microphones and have 420TV lines of resolution. Install these cameras indoors and protect your property with the best! Q-See offers you total control over your system to gain Peace of Mind ? Anywhere, Anytime.