8CH Security Camera System w/ 4 Outdoor/Indoor 700TVL Hi-Resolution Weatherproof Surveillance Camera 1TB HDD Pre-installed 700TVL High Resolution Cameras with IR-Cut Built-in Recording at 960H (960x480 pixels), HDMI port for high definition display Instand email alert with photo if activity detected When everyone else is asleep, our cameras are watching closely 1TB hard drive allows for 24/7 recording over 32 days