Add some extra security to your home with the Uniden Video Surveillance System. Its 7", high-resolution screen has an easy-to-use, icon-based user interface. Expandable up to four cameras that feature weatherproof IP66 construction, IR cut-filter switch, nightvision to 40 feet and built-in microphone. Digital zoom, pan and tilt for exact viewing. Multiple recording options include scheduled, manual, motion and all four cameras at one time. Uses a 4GB micro-SD card (included) that records up to 40 hours of video. Secure digital video transmission up to 500 feet. USB output and AV out. Remote access to live video via iPhone®, Android™ or PC.