Note, in stock but may require an extra 1-2 days to process.
Editor's Notes & Price Research
Works with cable or HD antenna (monthly subscription required). Records up to 4 shows and up to 75 hours of HD programming; replaces your cable box and works with your existing subscription. Fully 4K/Ultra HD compatible right out of the box & compatible with TiVO Mini for multi-room/whole home TV setup solutions - Discombobulated
This is the newer version that does not include the first year subscription.
$550 for lifetime service. If you want to pay by the year you might be better off getting the version which includes the first year.