WEBVTT

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We're here at the brand new LT tech house where I'm going to be uninstalling

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this old lock because Aara sponsored this video for us to check out their new

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smart lock U400 which I will be installing. This thing is so cool

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because I hate having anything extra in my life at all or on my person. I don't

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want to have house keys. I don't want to have a car key. I don't want to have a

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wallet. If I can just use only my phone for everything, that would be great. Or

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even less than your phone. That's what this puppy allows you to do. You don't

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even have to use your fingerprint or keypad, though you can. You can just

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walk up to it and it will unlock. All right. In the box, easy setup with the

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Accara Home app. There's a QR code there. Some instructions,

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presumably some hardware, a little template for setting it up on your door,

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especially if you have to drill new holes or chisel stuff out. There's a

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little bit of hardware in here and a little adapter plate guy. This side up.

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This looks like a rechargeable battery via USBC.

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And the lock itself,

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this is a matte black, very minimal

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design. There's the deadbolt you turn over. You've got the inside part where

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the battery goes and this little squishy

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silicone ring for sealing and the front

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outside part where a little door reveals an actual physical keyhole for your

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grandparents. what I think is like a biometric little

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pump. And according to the box, it'll be this area that illuminates with a keypad

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that you can capacitively interact with. Installing a deadbolt is super easy. I

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assure you, you can do this yourself. Now, all you need to do in general is

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you're going to have a piece like this that comes with this lock that goes in

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there. This rod fits through the little slot in there and then connects over

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here. And then the wire is going to feed through that hole and plug in over here.

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That's the basics. Now, however, we run into a little snag over here. The piece

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that comes with the Accara U400, see it has this little rectangular guy that is

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meant to nest in a carved out little

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slot on your door. Now, this door does not have that. I'm not prepared to take

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out an oscillating saw and a chisel to carve such a recess in this door of the

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tech house cuz I'm not sure we're allowed to, to be honest. So, don't do

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what we're doing. We're sitting proud like this. We're just trying to get this shoot done. And you know what? It works.

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One other note, while we're in the latch zone here, if you put it in and it looks

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like it's not going to be centered in there, you might have to adjust the back

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set, which you do by just turning it. See how it gets longer?

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Now, it's time for the hardware. Now, you can see from the previous lock that

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was on here, it required drilling into this door. This lock doesn't need that

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because of this puppy that we saw earlier. I figured out what it's for. It

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goes on here like so.

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And you can see now that there are spots for bolts here which will go into the

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other piece that's on the other side and sandwich it. Once you put this side on,

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you got these little screws that are included that go into these holes

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through here and into these motherboard standoff like kind of receptacles and

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not into your door. Rent friendly.

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Next, we have to put in the battery. And this is really interesting how this works. You can pop this out of here and

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go charge it somewhere else. Or you can charge this while it's in here without

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even taking off this plate by using the USB port that's down here. Or if you get

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locked out of your house, the batter is dead. You don't have your keys, nothing.

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You can still actually charge it from the outside by using the USB port down

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here. Just a note, these cavities are pretty narrow. They're actually too

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narrow for our LT screwdriver to go in

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there. So, either get one of our precision kits or something like a fix

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shaft. Oh my god, not magnetic. I really

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wish they had included like a really inexpensive screwdriver or Allen key to

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do this. A lot of products do. Now that we're installed, the next step is to

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pair this to the app with a QR code.

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Now, I have to bind the door lock by bringing my phone close to it and

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pressing this button. Added successfully. Time to name it.

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I've added a keypad password and now I'm going to add a fingerprint. So, I have

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15 seconds to put my fingy on here. Ooh.

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>> Close the door inside without locking it. Then press start. Calibration.

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Calibration successful. I've got the lock in my Apple Home app. I can hit

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lock. It locked. Now, let's see the magic happen with UWB.

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All I do is walk UP TO IT.

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OH, it said UWB.

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That's awesome. It totally works. You don't even really have to slow down.

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When you're just out of arms length, it unlocks. You can just like walk right

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in. You don't even have to stop walking. Pretty sweet. But a lock could do that

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with Bluetooth. It just has to know you're near. The difference with UWB is

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it knows your directionality. So, right now, this lock is not unlocking even

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though I'm near it because it knows I'm on the inside of the house. It's also

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more accurate. Bluetooth only has down to 1 meter accuracy, but UWV

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centimeter accuracy. But let's say your phone doesn't have UWV, but you have

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NFC. You can still unlock just by tapping your phone. It obviously has

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auto locking, which is really nice, but not exactly special. What is special is

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that UWB is more secure than Bluetooth because someone can actually intercept

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and amplify your Bluetooth signal, making this thing unlock when you're way

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out of sight. UWB uses time of flight to calculate the distance. And it also uses

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cool things like scramble timestamp sequence to like add encryption and just

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make this whole scenario a non-issue. It already was pretty niche. Related to

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autolock is that stupid nightly routine where you have to go to all the

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entrances in your house and make sure your doors are all locked is no more.

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With voice control. I wish I had this at my place. Supported by Matter and

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Thread. You can use your Amazon Echo devices, your HomePod, your Nest Hub,

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your Eero devices to just go, "Hey Siri." >> Mhm.

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>> lock the door. >> Locking the entrance.

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>> Pretty bougie lock. And you can get it on Amazon, actually cheaper than you can

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on the Apple Store. So, use our link below to check this thing out today. I

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am going to uninstall it so Lion never knows I was even here.
