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HKM-874003 WiFi Magnetic Door/Window Alarm with Remote Notification and Activity Tracking
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
Every product we offer includes a 180-day purchase protection plan at no additional cost. This coverage extends beyond a standard warranty, reflecting our confidence in product quality and our ongoing commitment to your satisfaction.
The protection plan is designed to provide practical help in real-world situations. Whether you encounter a manufacturing issue, a performance problem, or an unexpected accident, our team is ready to assist with clear, fair solutions.
What Is Covered
Manufacturing Defects
We replace items with material or workmanship flaws at no charge.
Performance Failures
Free repair or replacement if the product fails under normal use.
Accidental Damage
One-time courtesy replacement at a reduced price.
Zero Hidden Fees
All shipping costs for replacements and returns are covered.
How to File a Claim
How This Differs from the Warranty
The 180-day purchase protection includes accidental damage and performance failures that are typically not covered by a standard warranty. It provides an additional layer of support during the first six months after purchase, giving you greater confidence and peace of mind.
We want you to be completely satisfied with your purchase. If for any reason you are not fully happy, you may return your item within 30 days of delivery for a full refund. No lengthy forms, no unnecessary questions.
Our return policy is built on a simple principle: if the product is not right for you, we will make it right. We understand that online shopping involves trust, and we work hard to earn that trust with every order.
Return Eligibility
30-Day Window
Request a return within 30 days of delivery.
Original Condition
Unworn or unused, with tags and original packaging.
Proof of Purchase
A receipt or order number is required.
Fast Refund
Refund processed within 10 business days.
How to Start a Return
Returns & Exchanges Overview
Damages & Exchanges
Please inspect your order as soon as it arrives. If the item is defective, damaged, or incorrect, contact us immediately so we can evaluate the issue and make it right. For exchanges, the fastest option is to return the original item and place a new order for the replacement.
We believe in the quality of our products, and we want you to share that confidence. Every product is backed by a 24-month warranty covering all structural and functional components, including zippers, buckles, straps, and fabric integrity.
The warranty is designed to be simple and accessible. You only need your proof of purchase to begin a claim, and our team will assess the issue promptly. If a manufacturing issue arises, we will make it right.
What the Warranty Covers
Comprehensive Coverage
Every part warranted for two full years.
Free Repair or Replacement
Whichever is faster, at no cost to you.
Quick Turnaround
Claims assessed within 1 business day.
Transferable
Warranty follows the product, not the owner.
How to File a Warranty Claim
Every order ships free—no minimums, no hidden fees. We currently deliver across the United States and are actively working to expand to more countries. We partner with reliable U.S. courier services to ensure your order arrives safely and on time.
Our delivery process is designed for transparency. From the moment you place your order to the moment it reaches your door, you receive clear updates at every stage. We carefully inspect each product before dispatch, and we provide tracking information as soon as your order ships.
Our U.S. Shipping Partners
USPS
Official national carrier with nationwide coverage.
UPS
Fast and reliable ground and express shipping.
FedEx
Express delivery with real-time tracking.
DHL eCommerce
Efficient parcel delivery for e-commerce shipments.
Delivery Process
Delivery Time Summary
Cancellations & Taxes
You may cancel your order at any time before it ships. All product prices include applicable taxes, and there are no additional VAT or customs fees for orders delivered within the United States.
Whether you have a question, need help with an order, or just want some advice, our support team is available around the clock. We don't just respond to messages—we work with you to find real solutions that fit your needs.
Our support specialists are trained to handle a wide range of requests, from product recommendations to technical troubleshooting. No matter the question, you can expect a professional and friendly response.
How We Can Help
Product Guidance
Our experts help you choose the right product.
Order Assistance
Modify orders, track shipments, or speed up delivery.
Warranty & Returns
Start claims or returns quickly and easily.
Technical Troubleshooting
Step-by-step solutions for product issues.
Contact Information
24/7 Phone
+1 (209) 280-3200
support@hekomart.com
Address
3401 Dale Rd, Modesto, CA 95356
Support Hours
Available 24 hours a day, 7 days a week