Check the listing for details. SiliconDust HDHomeRun Flex 4K ATSC 3.0 Certified Refurbished. Condition: Certified - Refurbished. Listed at 174.99 USD. HDHomeRun FLEX 4K CERTIFIED REFURBISHED FREE FEDEX 2 DAY SHIPPING US48 Receive Free to air TV via an antenna allowing you to send glorious high definition content to anywhere in your home over WiFi, or a wired Ethernet connection from your own existing home router. No more expensive Cable TV subscriptions or cable box rental fees. All refurb units have original manufacturer equipment inside them. Watch live TV on multiple devices simultaneously throughout your home with our Multi room Multi user network tuner solution.All the features of the HDHomeRun CONNECT QUATRO & 4K models plus optional DVR by connecting a USB hard drive (requires paid TV guide for DVR record)ATSC 1.0 content is compatible with Android FireTV AppleTV iOS Roku XBox One Windows 10 Mac and LG devicesATSC 3.0 content is compatible with XBox One, Apple TV 4K, LG televisions 2019+, most Windows 10 devices, many Android/FireTV devices, select Mac/iPhone/iPad devices4 tuners (2 ATSC 3.0, all 4 ATSC 1.0)4 tuners8-VSB (ATSC over-the-air digital TV)QAM64/256 (unencrypted digital cable TV)100BASE TX high-speed network90 day warranty Note: The optional HDHomeRun DVR Software requires a TV guide subscription of $35/year.