The "hub" of the RCX Trail Camera System is the exclusive handheld USB Controller/Viewer, which plugs into the USB jack in each camera to give you complete control of your system. Get real-time alignment of the camera's view, instant access to all program settings, and all of the images that have been captures. Download high resolution photos (color or infrared) and video right in the field, without making multiple trips to and from your home or truck to check SD cards. A TFT-LCD (thin film transistor liquid crystal display) active matrix 3" display gives you the complete picture right in the palm of your hand. Quickly scan, zoom, delete or transfer your photos and video, make adjustments as need to the camera's setting and position, and move on to the next camera. Then plug the controller into your home computer to download your pictures and videos to your hard drive.