---
product_id: 62856540
title: "HENDUN Door Alarms When Opened with Remote, Door Bells Chimes, Door Security Sensor Pool Alarm for Kids Safety (2 Pack)"
brand: "hendun"
price: "₩57447"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/62856540-hendun-door-alarms-when-opened-with-remote-door-bells-chimes
store_origin: KR
region: South Korea
---

# Remote control synchronization 180-day battery life 80 dB loud magnetic alarm HENDUN Door Alarms When Opened with Remote, Door Bells Chimes, Door Security Sensor Pool Alarm for Kids Safety (2 Pack)

**Brand:** hendun
**Price:** ₩57447
**Availability:** ✅ In Stock

## Summary

> 🔐 Stay one step ahead with smart, silent security.

## Quick Answers

- **What is this?** HENDUN Door Alarms When Opened with Remote, Door Bells Chimes, Door Security Sensor Pool Alarm for Kids Safety (2 Pack) by hendun
- **How much does it cost?** ₩57447 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/62856540-hendun-door-alarms-when-opened-with-remote-door-bells-chimes)

## Best For

- hendun enthusiasts

## Why This Product

- Trusted hendun brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Power That Lasts:** Alkaline batteries deliver up to 6 months of reliable security without constant replacements.
- • **Loud & Clear Alarm:** 80 dB alert ensures you never miss a security breach, keeping your home and loved ones safe.
- • **Seamless Remote Sync:** Sync multiple remotes to one sensor for ultimate control and convenience.
- • **Multi-Use Safety Alert:** Versatile magnetic sensor works on doors, gates, pools, and even refrigerators for all-around protection.
- • **Effortless Security Setup:** Install in minutes and control remotely—perfect for busy professionals on the go.

## Overview

The HENDUN Door Alarm 2-pack features magnetic contact sensors with an 80 dB alarm triggered when doors or windows open. Controlled remotely with synchronized remotes, it offers versatile use for doors, pools, gates, and refrigerators. Powered by 12V alkaline batteries, it delivers up to 180 days of continuous protection, making it an easy-to-install, reliable safety solution for families and professionals alike.

## Description

HENDUN Door Alarms When Opened with Remote, Door Bells Chimes, Door Security Sensor Pool Alarm for Kids Safety (2 Pack)

## Features

- Easy to install and operate - pool/gate/sliding door alarm with remote. Owners can disarm outdoors when they return home
- Multipurpose - Magnetic Contact Door Alarms/Doorbell/Door Alarm for Pool/Refrigerator Door Alarm/Curious Door Alarm
- Keep remote control synchronous - More than one remote sensor can be synchronized. Extra remote control ASIN B084VTYF51
- Magnetically triggered - Alarm sounds when windows or interior doors are opened by older children and dementia patients
- Heads up: Returns are mostly from fixed volume and not being Pool UL 2017 certified, even though it works great.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Battery Description | Alkaline |
| Voltage | 12 Volts |
| Control Method | Remote |
| Noise Level | 80 dB |
| Mounting Type | Door Mount |
| Sensor Technology | Contact Sensor |
| UPC | 664248657237 |
| Manufacturer | Changzhou Hengdun Electronic Technology Co Ltd |
| Part Number | SZSF03R |
| Item Weight | 1.6 ounces |
| Product Dimensions | 1.57 x 0.59 x 3.35 inches |
| Item model number | SF03RCD |
| Is Discontinued By Manufacturer | No |
| Size | 2 Count (Pack of 1) |
| Style | 2pack 2x AAA batteries required (not included） |
| Item Package Quantity | 1 |
| Included Components | remote |
| Batteries Included? | No |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Description Pile | Alkaline |
| Average Battery Life | 180 days |

## Product Details

- **Color:** white
- **Brand:** HENDUN
- **Power Source:** Battery Powered
- **Compatible Devices:** Home Security System
- **Product Dimensions:** 1.57"L x 0.59"W x 3.35"H

## Images

![HENDUN Door Alarms When Opened with Remote, Door Bells Chimes, Door Security Sensor Pool Alarm for Kids Safety (2 Pack) - Image 1](https://m.media-amazon.com/images/I/51SFYB5gXGL.jpg)
![HENDUN Door Alarms When Opened with Remote, Door Bells Chimes, Door Security Sensor Pool Alarm for Kids Safety (2 Pack) - Image 2](https://m.media-amazon.com/images/I/61mgvKAKvQL.jpg)
![HENDUN Door Alarms When Opened with Remote, Door Bells Chimes, Door Security Sensor Pool Alarm for Kids Safety (2 Pack) - Image 3](https://m.media-amazon.com/images/I/61MWgr8Z1yL.jpg)
![HENDUN Door Alarms When Opened with Remote, Door Bells Chimes, Door Security Sensor Pool Alarm for Kids Safety (2 Pack) - Image 4](https://m.media-amazon.com/images/I/71je3n45EXL.jpg)
![HENDUN Door Alarms When Opened with Remote, Door Bells Chimes, Door Security Sensor Pool Alarm for Kids Safety (2 Pack) - Image 5](https://m.media-amazon.com/images/I/61swn0S2I1L.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Can I add a remote control?**
A: Yes, after a simple pairing process. extra remote ASIN B084VTYF51

**Q: Is it compatible with UL 2017?**
A: No. Although it is easy to use and simple.

**Q: Can the volume be adjusted?**
A: No. You can switch to doorbell mode, which will reduce the volume. Alternatively, you can choose other upgraded versions available at our store that allow you to adjust the volume.

## Frequently Bought Together

- HENDUN Wireless Door Alarms When Opened with Remote, Door Security Sensor, Pool Alarm for Kids Safety, Sliding (2 Pack)
- HENDUN Wireless Remote Door Alarm, Windows Open Alarms,Magnetic Security Sensor, Pool Door Alarm for Kids Safety, Alzheimer's Apartment Alarm

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-25*