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4-Pack KMC Slim Low-Profile Wi-Fi Smart Plug Expired

$10.25
$20.49
+36 Deal Score
38,166 Views
KT-KMC via Amazon has 4-Pack KMC Slim Low-Profile Wi-Fi Smart Plug (White, kt-154) on sale for $10.24. Shipping is free w/ Prime or on $35+ orders.

Thanks to Community Member Wah_Jai for sharing this deal.

Product Info:
  • This smart plug 4-pack covers all your bases to start remote controlling lights, devices and setting scenes across your home
  • The free KMC Smart app allows you to automate your connected devices based on conditions like time, sunrise/sunset, weather, device status and more
  • Compatible with Alexa & Google Assistant to voice control your smart plugs by saying "Alexa" or "Hey Google"
  • Low-profile design doesn't block the other outlet
  • UL/ETL Certified. Electrical Ratings: 15A, 125V, 60Hz, 1875W
  • KMC smart plugs come with US-based technical support and a lifetime warranty

Original Post

Written by
Edited March 23, 2024 at 01:43 PM by
4 Pack of these KMC smart plugs. Lowest price according to CCC.

https://www.amazon.com/dp/B086MHKPXD
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Deal
Score
+36
38,166 Views
$10.25
$20.49
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Community Wiki

Last Edited by jimmytx | Staff March 23, 2024 at 07:33 PM
  • This offer is $2.25 less (18% savings) than our front page deal from November 2023 which earned over 30 thumbs up.

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Featured Comments

1. Only buy plugs that are not cloud dependent and have an offline mode.
2. Buy plugs and "things" that can be flashed to Tasmota. (these don't appear to be)
3. Set DHCP reservations for specific devices with their MAC to IP mapping.
4. Place them on a separate SSID on a separate VLAN that has extremely limited connectivity to other internal networks and the Internet.
5. Control DNS for the devices and return NXDOMAIN for the many obscure, unnecessary, and questionable domains they attempt to connect to.
6. Don't use their "app" to interact with them - use a home automation platform or similar to manage them, and interact with them through the automation app (or use your own custom API calls if so inclined) - see #1.

They take more work initially, but once the initial configuration is complete, I don't worry too much about them. The most challenging part anymore is finding ones that can be easily flashed to Tasmota because many of them switched to a different chip that's not as friendly to convert. However, it sounds like some progress is being made with those through alternative firmwares such as OpenBeken.

Not that most people are doing these things. LMAO
You aren't understanding. By connecting any smart device to your WiFi network, the creator of that smart device can scan or attempt to hack ANY device on your network. That includes your computer, your phone, your router, your NAS, your cameras. And worse, if these devices have security vulnerabilities, then any average hacker can also do the same exact thing to your network.That's why it's so important not to let rogue devices into your home.

In other news, I have had success flashing some KMC devices (not this one) to tasmota/openbk.
Funny you mentioned that. There was a story where a hacker seized control of a casino, via a smart thermostat on a fish tank. https://thehackernews.com/2018/04...meter.html

GorillaBread is right. These types of gadgets are a hole that gives access to the rest of your network. Sort of like keeping your house key under the mat. Sure you only want the cleaning lady to use it but when someone else finds it...

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Joined Feb 2020
L5: Journeyman
> bubble2 758 Posts
GreySwing658
03-23-2024 at 10:43 PM.
03-23-2024 at 10:43 PM.
Quote from starfoxinstinct :
You aren't understanding. By connecting any smart device to your WiFi network, the creator of that smart device can scan or attempt to hack ANY device on your network. That includes your computer, your phone, your router, your NAS, your cameras. And worse, if these devices have security vulnerabilities, then any average hacker can also do the same exact thing to your network.That's why it's so important not to let rogue devices into your home.

In other news, I have had success flashing some KMC devices (not this one) to tasmota/openbk.

I'm sure the average person has a ton of holes in their network ie older routers. Not using something like this isn't going to secure anything for like 89% of people. Even IT departments get hacked all the time.
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Joined Aug 2016
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> bubble2 279 Posts
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Gorillabeard
03-23-2024 at 10:50 PM.
03-23-2024 at 10:50 PM.
Quote from Vice_Monkey :
you like words, but being in their own vlan doesn't do either of those things by itself, and it is better to monitor traffic and block through your router or switch any outgoing to collection sites or any odd IPs outside the US.

I'm kinda stuck at "you like words." What does that mean, exactly? I suppose posting a comment on SD means I like words. I'm unsure. However I do love etymology, so I'll give you that.

Also, you're the first person I've encountered who monitors their network 24/7. Good on you mate.
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Joined May 2012
L2: Beginner
> bubble2 76 Posts
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foxfired
03-23-2024 at 11:08 PM.
03-23-2024 at 11:08 PM.
Quote from --Kyle-- :
The problem is that many of these devices have minimal to non-existent security protocols. So if a hacker gains access to this insignificant and insecure device it gives them easy access to the rest of your network.
What does 'non-existent' mean?
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Joined Nov 2015
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> bubble2 10 Posts
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yoyomonster
03-23-2024 at 11:33 PM.
03-23-2024 at 11:33 PM.
Quote from Gorillabeard :
I'm kinda stuck at "you like words." What does that mean, exactly? I suppose posting a comment on SD means I like words. I'm unsure. However I do love etymology, so I'll give you that.

Also, you're the first person I've encountered who monitors their network 24/7. Good on you mate.

But do you like entomology?
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Joined Sep 2018
L7: Teacher
> bubble2 2,165 Posts
235 Reputation
EfficientSnail709
03-24-2024 at 01:25 AM.
03-24-2024 at 01:25 AM.
Appears to be rated at 15 amps (based upon the claimed wattage rating), but it would be nice if they specified that (as they should)! Also, I would prefer that these were UL approved (vs. ETL). Good price....but the lack of stated ratings and safety approvals are important factors to consider!
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Last edited by EfficientSnail709 March 24, 2024 at 01:29 AM.
Joined May 2010
L6: Expert
> bubble2 1,031 Posts
90 Reputation
BuyMoreChuck
03-24-2024 at 03:11 AM.
03-24-2024 at 03:11 AM.
Besides running outdoor lights, Christmas tree lights, what else do you use these for. I still have 2 left from my other purchase needing a use for.
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Joined Jun 2015
L8: Grand Teacher
> bubble2 3,888 Posts
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jtree1
03-24-2024 at 03:51 AM.
03-24-2024 at 03:51 AM.
How do these compare to the TP-Link Tapo Smart Outlets (https://slickdeals.net/f/17338125-costco-tapo-mini-smart-wi-fi-plug-4-pack-matter-certified-19-97) that were recently on sale at Costco?
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Joined Apr 2010
L1: Learner
> bubble2 326 Posts
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vsg910
03-24-2024 at 04:02 AM.
03-24-2024 at 04:02 AM.
Shows $24 for me

update: switched from business account to regular and price shows differently
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Joined Sep 2012
L9: Master
> bubble2 4,753 Posts
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cscamp20
03-24-2024 at 04:40 AM.
03-24-2024 at 04:40 AM.
$10 for 4 seems suspicious. This may be cheap but could be a chinese backdoor to your network. Be careful with these cheap networking products. You can probably get a pack Tp link KASA for $10 more.
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Joined Jan 2011
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carlson03
03-24-2024 at 05:10 AM.
03-24-2024 at 05:10 AM.
Quote from Gorillabeard :
I'm kinda stuck at "you like words." What does that mean, exactly? I suppose posting a comment on SD means I like words. I'm unsure. However I do love etymology, so I'll give you that.

Also, you're the first person I've encountered who monitors their network 24/7. Good on you mate.

I had some meshforce routers on my smart home network I have and Pi-hole kept blocking it from pinging China.... Looking it up, it was common and people wee not sure what data it was for. Got rid of those and bought some Eero routers, so I could only imagine what these would send.
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Joined Jul 2022
L4: Apprentice
> bubble2 370 Posts
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UnfaithfulBanana266
03-24-2024 at 05:48 AM.
03-24-2024 at 05:48 AM.
Quote from cscamp20 :
$10 for 4 seems suspicious. This may be cheap but could be a chinese backdoor to your network. Be careful with these cheap networking products. You can probably get a pack Tp link KASA for $10 more.
I also went with Amazon warehouse kasa plugs for the same reason. Not sure it makes a difference in the end but these Chinese brands on my wifi do give me that worry
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Joined Nov 2013
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landisv
03-24-2024 at 06:32 AM.

Our community has rated this post as helpful. If you agree, why not thank landisv

03-24-2024 at 06:32 AM.
Quote from Gorillabeard :
Do people actually trust these things being on their network 24/7? I would at least put them in their own vlan so they can't call home or see any of the other devices on the network.
1. Only buy plugs that are not cloud dependent and have an offline mode.
2. Buy plugs and "things" that can be flashed to Tasmota. (these don't appear to be)
3. Set DHCP reservations for specific devices with their MAC to IP mapping.
4. Place them on a separate SSID on a separate VLAN that has extremely limited connectivity to other internal networks and the Internet.
5. Control DNS for the devices and return NXDOMAIN for the many obscure, unnecessary, and questionable domains they attempt to connect to.
6. Don't use their "app" to interact with them - use a home automation platform or similar to manage them, and interact with them through the automation app (or use your own custom API calls if so inclined) - see #1.

They take more work initially, but once the initial configuration is complete, I don't worry too much about them. The most challenging part anymore is finding ones that can be easily flashed to Tasmota because many of them switched to a different chip that's not as friendly to convert. However, it sounds like some progress is being made with those through alternative firmwares such as OpenBeken.

Not that most people are doing these things. LMAO
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Last edited by landisv March 24, 2024 at 06:40 AM.
Joined Mar 2009
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> bubble2 314 Posts
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a12548
03-24-2024 at 06:37 AM.
03-24-2024 at 06:37 AM.
Quote from Ghatid :
I'm not really worried about anyone keeping track of how much energy my fish tank uses
Lol--a rep for that one
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cashonly123
03-24-2024 at 06:50 AM.
03-24-2024 at 06:50 AM.
Quote from BuyMoreChuck :
Besides running outdoor lights, Christmas tree lights, what else do you use these for. I still have 2 left from my other purchase needing a use for.

A few uses.
I use Google home to turn on my workshop heaters when I want to work out there and then turn them off after two hours so I don't have to remember to.

I haber other plugs that turn on for a couple hours a week to top off devices/batteries that are hooked up to chargers but don't need to be charging 24/7 as energy vampires. Like cameras batteries, lawn mower batteries. And then if I do something like more the lawn I tell Google home to turn on the plug the chargers are on for a few hours so I don't have to wait for three weekly top off and they can be used again later in the day.

And to turn on my gas fireplace when I don't feel like getting my lazy ass off the couch to go flip the switch.
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