DESC: In addition to providing 3D viewing, the VT25 series of VIERA HDTVs features the enhanced VIERA CAST service with Wireless LAN Adaptor ready on its USB port, video call capability2, VIERA Image Viewer to view JPEG digital still images and HD video recorded on an SD Memory Card; VIERA Link, a PC input, two USB Ports, THX certification and THX Movie Mode, 24p cinematic playback, 600Hz Sub-field Drive (produces 1080 TV lines of moving picture resolution), Infinite Black Pro display with 5,000,000:1 native contrast, four HDMI connections a RS232C connection and ISFccc capability. In addition these TVs feature new phosphor science that allows the TV to switch quicker, providing a smooth 3D image. As with all the Panasonic Plasma HDTVs, the Full HD 3D models have a panel life of up to 100,000 hours and are mercury and lead free.