Features:

54.6" screen (measured diagonally)
high-gloss black finish
3D-ready can display 3D images when you wear Sony's active glasses (each sold separately)
2D-to-3D conversion adds a 3D-like effect to non-3D video sources
tuner receives over-the-air HDTV broadcasts (antenna required)
QAM cable TV tuner receives unscrambled programs without a set-top box (cable service required)
Motionflow XR 960 blur reduction for precise motion clarity
full-array backlight with local dimming for high contrast
X-Reality PRO Engine video processing improves the look of non-HD sources (including online content)
Internet-ready plays Netflix video and more (broadband service required; subscription required for Netflix service)
find the latest info about this TV's Internet apps at Sony's website
video and music streaming from a DLNA-compatible Windows PC
built-in Wi-Fi for easy wireless Internet access (broadband service required)
built-in stereo speakers (10 watts x 2 + 10 watts for woofer)
remote control
BRAVIA Sync simplifies control of compatible Sony components via the HDMI connection (HDMI-CEC)
meets ENERGY STAR requirements
picture settings memory for each video input
Connections and Dimensions:

7 A/V inputs, including:
1 composite video
2 component video (one is selectable component/composite)
4 HDMI v1.4
PC input
RF input for antenna/cable signals
optical digital audio output
Ethernet port for a high-speed connection to a home network
2 USB ports for photo/video/music playback
wall-mountable (bracket not included)
50-3/8"W x 30-3/8"H x 1-1/2"D (31-5/8"H x 12-1/4"D on stand)
weight: 69.7 lbs. with stand; 57.5 lbs. without stand
Gear4Less warranty: 1 year parts & labor