Buy on Amazon : http://amzn.to/1CBPy39
VIZIO P502ui-B1 50-Inch 4K Ultra HD Smart LED HDTV (240Hz Effective Refresh Rate Version)
This model has a higher effective refresh rate than its P502ui-B1E derivative version
Superior Ultra HD picture - Experience incredible detail and clarity with over 8 million pixels and 4x the resolution of 1080p Full HD
VIZIO Internet Apps Plus - Optimized for Ultra HD streaming beautifully simple Smart TV delivers instant access to the hottest movies TV shows music and more
Blazing fast 80211ac wireless - ideal for Ultra HD streaming
64 Active LED Zones - Dynamically adjusts the LED backlight per zone creating deeper pure black levels and higher contrast