The TH-50PX77U is a 50" Diagonal Plasma HDTV with Anti-Glare Coating, EZ Sync HDAVI Control, Built-in GalleryPlayer -Capable SD Card Memory Slot and Side-Firing Speakers. EZ Sync HDAVI Control lets you operate all of your home theater components by pressing a single button on your TV's remote control.GalleryPlayer allows you to enjoy the world's finest high definition art and photography on your Panasonic HD plasma TV. Use the GalleryPlayer software to purchase and download the images you like, and then play them on your Panasonic HDTV right from your PC.Share your JPEG photos taken with a digital camera on your Panasonic plasma using the built-in SD card slot. Simply insert the SD card, which is about the size of a postage stamp, into the SD slot on the TV and enjoy a photo slideshow with Photo Viewer.