Amazon has announced the official dates of its big October Prime Day sale called "Prime Big Deal Days." Here's everything you need to know about the giant two-day sale.

October Prime Day is a members-only sale event run by Amazon in which the online retailer has thousands of sales on its site that are exclusively available to those with an active Prime members. October Prime Day will last two full days.

There's another big sales event coming on October 8 and 9, and we've got everything we know so you can get a head start on finding the best prices on the tech you want before the holidays.