It's a date that shrewd shoppers have had in their calendars for months – Amazon Prime Day. The first big sale of summer, and for many, a prelude to the mega Black Friday sales to come later this year.

This year, Amazon Prime Day isn't just one day – the company has decided that a mere 24 hours wouldn't do its sale justice, and instead, it spans 48 hours, from 21st to 22nd June.

While Prime Day is a chance to buy pretty much anything from TVs to toilet paper, the best deals tend to be on Amazon's own products. We've picked out some highlights.

Best Amazon Kindle Deals

The Kindle is the e-book reader that took the market by storm, and then dominated it, where it has been the top dog for nearly fifteen years now. The tech isn't wildly different these days, but it has been polished, and today's Kindles have built-in lights, waterproofing, and offer more storage than ever before.

The basic Kindle is currently $54.99, a $35 saving, and is a great choice for casual readers. The Kindle Paperwhite, which is waterproof, has a higher resolution than the standard Kindle and has a backlight is now $79.99, compared to the usual $129.99.

Then there's the Kindle Oasis, the premium Amazon e-book reader. This one didn't get a price cut last Prime Day as it had only just been announced. This time, however, those wanting the larger seven-inch screen and warm backlight features can get one for $184.99, compared to the usual $249.99.

Lastly, Amazon's Kids Kindle, which is essentially the standard version, but with some child-friendly features, including a two-year warranty, is $64.99, instead of $109.99.

Read more about the Prime Day Kindle deals

Best Amazon Fire Tablet Deals

Amazon's Fire Tablets aren't exactly iPad killers, but, for many users, they are a great low-cost alternative. These things are cheap any day of the week, but on Prime Day, there are some real bargains to be had.

Amazon hasn't reduced the price of the standard Amazon Kindle Fire 7, meaning that it costs the normal $49.99.

However, that just makes the Amazon Fire HD 8 even more compelling, as, with its price cut, it comes to five bucks more than the standard model, at $44.99. For this, you get a bigger screen, higher resolution, and a more powerful processor, making picking this up a no-brainer. There's also the Fire 8 HD Plus, which offers more RAM than the standard Fire 8 HD, but not much else, at $64.99.

However, another great deal is the Fire HD 10, the larger, ten-inch Fire tablet, which has had its price tag slashed from $149.99 to $79.99. If you were looking for a large tablet on a budget, you simply won't find a cheaper deal than this. Amazon has also launched a new Fire HD 10 Plus which gives you extra RAM and wireless charging.

Then there's the dedicated kids Fire tablet range, which mimic the ‘grown-up' models, but come with child-friendly features, a special case, and, importantly, a two-year warranty, meaning that Amazon will replace them if they are damaged, no questions asked.  With the standard version down to just $59.99, it's a compelling offer for parents.

Read more about Prime Day Fire tablet deals

Best Amazon Fire TV Deals

Part of the Amazon Prime experience is its own TV streaming service, and to really get the most out of it, you might be tempted by an Amazon Fire Stick,  a handy device that plugs into your TV and offers all that Amazon streaming content on tap.

Amazon has given all its Fire TV models discounts this year, with the cheapest Fire TV Stick Lite costing just $17.99 on Prime Day this year.

However, we'd be looking at the Fire TV Stick with Alexa Voice Remote for $22.99 or the 4K Fire Stick for just $24.99.

The Fire TV Cube, meanwhile, gets a $40 price cut to $79.99. It gives you hands-free control of your content, 4K, HDR, and a speedy processor, making it the best Fire TV product available.

Read More about Amazon's Fire TV deals

Best Ring Doorbell Deals

If you're looking to get into smart security, then Prime Day 2021 might just be the best time to start, with Amazon offering some impressive deals on its Ring Doorbell systems.

The standard Ring Doorbell has no discounts this year, and nor does the new Ring Doorbell 4.

However, the more high-tech model Ring Doorbell 3 gets motion detection and can be powered by a rechargeable battery, or via the mains.  That has a $60 discount, at $139.99.

You can get a $15 discount on the Ring Video Doorbell Wired, which eschews the rechargeable batteries on other models in favor of wiring straight into your house's electrical system.

Read more about Amazon's Ring Doorbell deals

Tom Fogden is a writer for Tech.co with a range of experience in the world of tech publishing. Tom covers everything from cybersecurity, to social media, website builders, and point of sale software when he's not reviewing the latest phones.