SDE-5001 offers up to 16 channels for the ultimate protection. For your home or business, Samsung SDE-5001 is your ultimate security solution. Everything you need to setup and get started is in the box. The SDE-5001 features an 16 channel DVR with a 1 TB hard drive. In the box, you will find 4 night vision water proof cameras* and 4 indoor dome cameras. Expand to 16 cameras to monitor the most complete protection. Simple to set up and even easier to use, you can monitor your business or home anytime from anywhere around the world so you will always know what is going on even when you are not there. Samsung also offers lifetime technical support on this product so you are always covered.