The do it yourself professional 4 channel dvr standalone system w/ motorized retracable lcd tft color monitor, 4 channel 120 fps stand alone dvr system w/ 4 audio inputs , usb, remote view, & tv out!! Mpeg-4 compression with a resolution of 720 x 480 with 120 fps 1000 gb maximum storage with 4 audio channel as well as 1 monitor output and usb remote access via rs-232 and rs-485 protocol the w4dvrlcd standalone dvr recorder offers and full real time digital video recorder with remote access capability. The w4dvrlcd standalone dvr recorder can be controlled manually, motion detection or by alarm. The on screen menu display makes the w4dvrlcd very easy and very user friendly and even has detailed controls for brightness and contrast adjustments, color to each connected camera. The w4dvrlcdcomes with easy 123 connection instructions, power supply and a many other accessories.