SKU: 21738155089

HKM-874003 WiFi Magnetic Door/Window Alarm with Remote Notification and Activity Tracking

$61.19 $67.99
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Description

HKM-874003 WiFi Magnetic Door/Window Alarm with Remote Notification and Activity TrackingEnhance your home security with the HKM 874003 WiFi Magnetic Door Window Alarm. This innovative device is designed to notify you instantly whenever a door or window is opened or closed, allowing you to respond quickly to any potential intrusions. With the ability to share access with family members, everyone can stay informed and connected. The HKM 874003 features remote notifications that keep you updated on sensor activities, which you can track

Enhance your home security with the HKM-874003 WiFi Magnetic Door/Window Alarm. This innovative device is designed to notify you instantly whenever a door or window is opened or closed, allowing you to respond quickly to any potential intrusions. With the ability to share access with family members, everyone can stay informed and connected.

The HKM-874003 features remote notifications that keep you updated on sensor activities, which you can track over time. This ensures that you always have a record of movements around your home, giving you peace of mind when you're away.

In terms of specifications, the device operates on a DC 3V LR03 input voltage and has an impressive quiescent current of less than 10µA, ensuring that it remains energy-efficient. When triggered, the alarm current peaks at 160mA, making it reliable when you need it most. Its WiFi connectivity supports 802.11b/g/n, allowing for easy setup and integration with your existing network.

The HKM-874003 has a magnetic control distance of at least 15mm, ensuring accurate monitoring. It's designed to function in various environments with a working temperature range of -10°C to 50°C and up to 95% relative humidity. The compact size, measuring 70 * 20 * 16mm, ensures it can be discreetly installed while remaining effective.

Included in the package is one alarm reminder, ready to enhance your home security. Choose the HKM-874003 WiFi Magnetic Door/Window Alarm to keep your home safe and secure, no matter where you are.

Overview:

When leaving home, it will push a notification message to you when the door/window opens or closes, so you can discover the intruder in time. Furthermore, you could share the device with your family members and track the history of sensor activities.


Specifications:

Input voltage: Dc3v LR03

Quiescent current: ≤ 10uA

Alarm current: ≤ 160mA

Low voltage: ≤ 2.7V

WiFi:802.11b/g/n

Magnetic control distance: ≥ 15mm

Working temperature: - 10-50c

Working humidity: Maximum 95% RH

Size information:

Size: 70 * 20 * 16mm

Color box size: 75 * 22 * 18mm

Net weight: 65g

Gross weight: 70g


Package Content:

1 * Alarm Reminder





Shipping Notes
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Exchange/Return Notes
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SKU: 21738155089

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4.9 ★★★★★
Based on 17 reviews
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Verified Purchase
Serhii
New York, US
★★★★★ 5
Exactly what I wanted
Color: Blue, Size: 6-Quart
Amazing! Looks beautiful, high quality, good price. Well packaged, no defects. Heavy of course :) Blue color is amazing!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
B
Verified Purchase
Booksalottle
Alexandria, US
★★★★★ 4
Nothing Exceptional but Gets the Job Done
Color: Blue, Size: 4.3-Quart, Color: Blue, Size: 4.3-Quart
I’ve owned this 4.5 Qt. Amazon Enameled Cast Iron Dutch Oven for almost two months and have used it three times to date. Upon arrival and at first glance, the gradient blue color is beautiful and super glossy; most importantly, the pot is heavy for its size - as it should be. It looks exactly like the product pictures, with a globular shape than square shape as others. Unfortunately, I also noticed that there was one pin hole and two tiny uneven protrusions on the enamel inside the pot. I own three other enameled cast iron cookware from two other brands (photos attached for size comparison) and performance wise, this cast iron by Amazon performs equally to them. The pot isn’t exceptional or special but it gets the job done. Other than the pin holes and protrusions, I have no complaints. This isn’t my first rodeo so when heating up the pot and while cooking, I have zero issues. I am starting the pan off at 4-Stars and will update my review as time progresses, or if I have any major issues with its durability or performance in subsequent months. For the amateur home cook, or for anyone who is new to cast iron cooking, below I’ve included tips that you may find useful while using this or any other enameled cast iron cookware. ================================ Regarding the 3 Photos and 1 video I've Attached: (Note: all photos were taken with an iPhone under kitchen lights during the evening. Photos have not been edited nor enhanced.) Photo 1: Size comparison of this Amazon Enameled Cast Iron Dutch Oven compared to three other enameled cast iron cookware that I own from two other brands. From left to right: 7 qt. Tramontina, 4.5 qt. Amazon, 3 qt. Lodge 4 qt. Tramontina. Photos 2 and 3: fresh produce shown next to 4.5qt Amazon Dutch Oven for color and size contrast. Video: 4.5 qt. Amazon Enameled Cast Iron Dutch Oven on gas stove over medium heat, with food cooking. ================================ TIPS THAT YOU MAY FIND USEFUL While Using your cast iron dutch oven: (Note: I included these similar tips in my review of a different enameled cast iron pot from a different brand. My tips can apply to all enameled cast iron cookware) 1. If you find that you have issues with food sticking, it could be that you are not heating up your cast iron pot properly to prevent undue hot spots. I heat my pot up gradually starting at low, then medium, then high heat. After my pot is very hot is when I add my fat/cooking oil. As the oil is heating up in the pot, I lift it and swirl the oil around to coat all sides of the pot that will come in contact with food. 2. Take into consideration the temperature of the items you are adding to your heated pot. As a general rule for cooking: when ever possible, ensure that the items you are adding to a hot pot are at room temperature, rather than ice cold from the fridge; this will assist with even cooking. 3. Also, get comfortable with adjusting your heat by lowering and raising it based on what you’ve added to the pot. In general, you will need more heat at the beginning of the cooking process, and less heat towards the end. If you cook by recipe, I highly recommend that you read all the steps ahead before starting, so that you become familiarized with all the procedures, allowing you to maneuver accordingly when you start cooking. 4. At the exception of searing meat to achieve a brown crust, deep frying, or when caramelizing onions, you should be stirring your pot (I recommend using a wooden spoon) every few minutes when cooking in cast iron that is placed over high heat. If you are braising on the stove at low heat versus braising in the oven, the frequency of your stirring will need to be adjusted. No matter how you’re cooking though, a watchful eye on the pot plus stirring, should both be a habit not an afterthought. 5. For all cooking vessels in general but especially for cast iron: after cooking, allow your pot to cool down completely before cleaning. NEVER immerse a hot cast iron pot into cold water, nor pour cold dish water into hot pot. You risk not only being scald by dangerous steam, but you also risk weakening the enamel, therefore lessening the durability of your pots over time. 6. This cookware and others like it from Tramontina and Lodge are economical and if used correctly, will perform well for most cooking; if used correctly, they should also last for years. Nonetheless, if you can afford it, authentic enameled cast iron cookware made in France by Le Creuset is the best way to go. Le Creuset is the gold standard in cast iron cookware and their quality is second to none. I definitely recommend this Amazon dutch oven but if you can afford to splurge, Le Creuset's reputation is stellar. As a professional chef, I've used them in high end kitchens and their quality and performance is premier.
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Reviewed in the United States on July 2, 2018
N
Verified Purchase
Nicholas Wilson
Birmingham, US
★★★★★ 5
Nice BIG enameled cast iron dutch oven. like LeCreuset but costs less
Color: Blue, Size: 6-Quart
This is nice quality, similar to the far more costly French LeCreuset brand. I was surprised how big this model is, possibly too big for my small kitchen and limited storage space. I store it in the oven. It would be great for baking sourdough boule bread.
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Reviewed in the United States on May 13, 2026
J
Verified Purchase
JoiceMaynard
Charlottesville, US
★★★★★ 5
Enamel finish
Color: Matte Navy, Size: 6-Quart
This is an amazing pot, got the 6 Qt for beautiful roast dinners and for baking bread. All comes out evenly baked. Cast Iron is best and it has a nice finish for easy clean up.
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Reviewed in the United States on April 24, 2026
M
Verified Purchase
Matt
Fort Morgan, US
★★★★★ 5
Simple, Comfortable, and Exactly What You Expect
Style: Rack with 3 Pairs (5, 10, and 15 Pound)
These are pretty much exactly what you want from a set of dumbbells — simple, functional, and no nonsense. The neoprene coating gives them a comfortable grip and keeps them from feeling slick in your hands, especially during longer workouts or if your hands get sweaty. The coating also helps keep them from banging up floors or making as much noise compared to bare metal weights, which is nice if you’re working out at home. Weight accuracy seems fine for general fitness use, and they’ve worked great for things like accessory movements, shoulder work, lighter presses, rehab-style exercises, and general muscle toning. The shape also helps keep them from rolling around everywhere when set down. They’re not fancy, and they’re not trying to be — they’re just dependable dumbbells that do what they’re supposed to do at a fair price. If you want straightforward hand weights for home workouts without overthinking it, these are a solid buy.
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Reviewed in the United States on May 26, 2026

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