All in one security kitsr for your home or business samsung sds p3042 is your security system that is both dependable and affordable everything you need to setup and get started is in the box the sds p3042 features a 4 channel dvr with a 500 gb hard drive r in the box you will find 4 ip66 night vision weather proof cameras 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 r smart