The LION-4500 is an advanced H.264 smart DVR that allows the user to access it remotely from both the internet via internet explorer and/or select 3G smart cell phones including your iPhone. The LION-4500 includes 4 indoor/outdoor night vision cameras with 60ft of cable per camera, a pre-installed 500GB security hard drive and a simple point and click interface all combined into an easy to use H.264 smart DVR. This unit gives you the ability to monitor your home or business remotely, which is a must in today's environment.