VIZIO E280I-A1 28&rdquo; Class Full-Array Wi Fi 720p 60Hz LED Smart TV (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty DTS StudioSound Advanced virtual surround sound audio from VIZOs two built-in speakers. Built-In Wi-Fi Ultra-fast Wi-Fi provides an easy clutter-free Internet connection. Incredible Clarity. Featuring up to 720p HD, this TV offers ultra-sharp clarity and crystal-clear detail no matter what is on the screen. Full-Array LED. Full-Array LED backlighting across the entire rear of your television screen provides superior light uniformity, color consistency, and a more responsive picture.