With the Swann SWDVK-414254 4 Camera 4 Channel DVR Video Security System you can view and record from 4 cameras simultaneously during the day, night, indoors or outdoors. It includes 4 all-weather, high resolution 540TVL Swann TruColor (STC) cameras with powerful infrared night vision to 65ft / 20m. Set and forget by recording continuously from 4 cameras for 30 days onto a massive 500GB hard drive, even longer with motion detection. Save time and have peace of mind by easily locating incident video, then transfer to USB flash drive. Surveillance in the palm of your hand with live viewing on 3G/4G-enabled Smartphones and tablets including iPhone, iPad, Android, BlackBerry and more, with remote notification via email. Fight back against crime by deterring intruders, protecting your property and knowing what’s happening at all times. An affordable and expandable solution for any home or business wanting complete protection.