Keep your house or business secure with the Samsung SDH-B73045 Full HD Video Security System. The 4 Channel DVR allows you to monitor 4 locations inside and outside of your residential or commercial property. With the free downloadable Samsung iPOliS application you can keep a close watch on your home or business anytime from anywhere in the world through your smartphone/tablet or computer/laptop. The included 1080p Full HD dome cameras have you covered day and night, providing night vision up to 49ft. The weather resistant dome cameras also provide clear coverage during storms. The DVR features a 1TB Hard Drive with intuitive menu and controls, allowing you to easily search and review archived video. Live life worry free - you will be alerted should anything happen at your house should you be away or sound asleep in your bedroom.