Today only, Woot discounts a selection of refurbished Vizio 4K 2160p LED-Backlit LCD Smart Ultra HD Televisions, as listed below. Shipping adds $5. They feature a 3840x2160 native resolution, 120Hz refresh rate, LED backlight, 802.11ac wireless, Smart TV (with access to Netflix, Hulu Plus, Pandora, and more), USB, and five HDMI inputs. The deals: Each includes a 90-way Woot warranty.