The CoviSec ALD-1600H is an excellent versatile digital video recorder. Customize the recording and set a 24 hour recording schedule based on your preferences. You can choose to have the DVR record continuously during the day, then record only when motion is detected at night. When you need to back up information, you can do it easily with a blank DVD or a USB flash drive.During playback you can even display each camera in full screen or view all four without losing quality. Finding your recorded footage is a breeze. Just search for the time and date it was recorded and the file will be displayed. The CoviSec DVR can be set to overwrite old footage when the drive does run out of space, allowing you continuous recording, year after year. It includes a VGA port to connect to an LCD flat pannel monitor and USB port for backing up your evidence to a USB flash driveThe CoviSec ALD-1600H has a built-in internet server for remote viewing. Just plug the DVR into your internet connection and set it up. Then simply type in your IP address to monitor your home or business remotely, from any internet-enabled computer in the world! You can even play back recorded footage, save picture or movie files to your computer, and more, all through a web browser. This 16 Channel DVR can also be set up and viewed remotely over your mobile phone such as windows based (6X of higher) and Symbian based phonesThis versatile surveillance system is an ideal solution for anyone who wants to monitor their property whether they're at home or away.