---
product_id: 340743387
title: "D121X2+RC533"
brand: "secrui"
price: "₩80053"
currency: KRW
in_stock: true
reviews_count: 13
url: https://www.desertcart.kr/products/340743387-d121x2-rc533
store_origin: KR
region: South Korea
---

# 2 AAA Batteries 120dB Alarm Easy Install D121X2+RC533

**Brand:** secrui
**Price:** ₩80053
**Availability:** ✅ In Stock

## Summary

> 🔐 Secure Your Space, Elevate Your Peace of Mind!

## Quick Answers

- **What is this?** D121X2+RC533 by secrui
- **How much does it cost?** ₩80053 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/340743387-d121x2-rc533)

## Best For

- secrui enthusiasts

## Why This Product

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

## Key Features

- • **📞 24/7 Support:** Enjoy peace of mind with our dedicated customer service and 12-month warranty.
- • **⚡ Fast Detection:** Ultra-sensitive magnetic sensor for immediate alerts on door/window status.
- • **👶 Kid-Safe Design:** Keep your little ones safe with a sensor that prevents sneaking out.
- • **🔒 Ultimate Security:** Protect your home with a powerful 120dB alarm that alerts you instantly!
- • **🛠️ Hassle-Free Setup:** No tools needed! Just peel and stick for quick installation.

## Overview

The SECRUI Door Alarm Sensor with Remote Control is a versatile security solution designed to protect your home, garage, and business. With a loud 120dB alarm, easy installation using adhesive pads, and a dual-mode function, this system ensures safety for kids and valuables alike. Plus, enjoy 24/7 customer support and a 12-month warranty for added reassurance.

## Description

Door Alarm Sensor with Remote Control , 2 Pack SECRUI Wireless Window Door Open Contact Burglar Chime Anti-Theft 2 Mode 120dB Loud Enough Sticky pad Easy to Install for Your home Safety Shop Security

## Features

- Door and Window Open Chime Alarm: This SECRUI magnetic door & window chime alarm sensor will emit loud volume alarm of 120dB when the door is suddenly open. It can prevent your kids from sneaking out. And it’s a perfect wireless security magnetic alarm for kids' safety, anti-theft, home, garage, postbox, and business' security.
- The door sensor remote control can be set to two modes: 1. Doorbell mode (Ding Dong once) 2. Alarm mode (It keeps ringing and will stop when the alarm button is pressed)
- Fast Automatic Switch: With ultra-sensitive magnetic sensor desgin, this security kit can quickly detect your door or windows' status. It's powered by 2*AAA battery (Not included).
- Easy to Install: This house/window sensor alarm security kit come with self adhesive pads so no tools are required, just had to stick the door alarm sensor on the door or window. It can also be used as a doorstop alarm, pool door alarm, garage door alarm or sliding door alarm.
- No Worry Purchase: Each SECRUI customer is valuable and will be supported by 7 days*24 hours online service. We also offer a 12-month warranty. Please contact us for a satisfactory solution if any trouble happens to you.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | SECRUI |
| Part Number | door alarm |
| Product Dimensions | 3 x 1.5 x 10 cm; 100 g |
| Batteries | 2 AAA batteries required. |
| Item model number | D121X2+Remote 533 |
| Size | D121 2 packs + remote |
| Colour | White |
| Style | Modern |
| Material | Plastic |
| Plug profile | Surface Mount |
| Usage | home security, anti-theft, kids' safety |
| Included Components | wireless |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 100 g |

## Images

![D121X2+RC533 - Image 1](https://m.media-amazon.com/images/I/41Sv8Os3IwS.jpg)
![D121X2+RC533 - Image 2](https://m.media-amazon.com/images/I/71EM7yA1+kS.jpg)
![D121X2+RC533 - Image 3](https://m.media-amazon.com/images/I/71hr0R9PtLS.jpg)
![D121X2+RC533 - Image 4](https://m.media-amazon.com/images/I/61blFl2NRVS.jpg)
![D121X2+RC533 - Image 5](https://m.media-amazon.com/images/I/51qd+fBMjDS.jpg)

## Available Options

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

## Questions & Answers

**Q: Is this wireless doorbell waterproof?**
A: This is not a doorbell this is a door alarm it's working by battery and you should put it inside your house not outside
It is good if you have children or if you need to know if someone opens your door.

**Q: Can you set timer so that after the door is closed, alarm goes off say after 5 seconds? Looking for lift door left open alarm option**
A: No..it's an on off slide switch.  And the alarm activates when the connection is broken.  And stops when closed.

**Q: Do this door alarm come with stickers?**
A: Hello,
Yes, Secrui Wireless Door Window Contact Sensor come with 4 stickers. You can easily install this alarm.
If you have any questions for this wireless door alarm, please don’t hesitate to contact our customer service BY support@secrui.com, no reason to return or replace.
BR,
Support Team

**Q: Can this be paired with a doorbell transmitter and be used as an alarm and doorbell at the same time?**
A: Hello,
This wireless door sensor can be used as alarm and doorbell. SECRUI store contains various accessories, DIY is a very good idea.
Doorbell separate transmitter link: https://www.amazon.co.uk/dp/B08V55TQKS?ref=myi_title_dp

After receiving the accessories, please pair them according to the instruction manual.
Any other questions, please feel free to contact us.
Email: support@secui.com

Kind regards,
SECRUI

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    It's brilliant, but faulty
  

*by R***A on Reviewed in the United Kingdom on 23 July 2024*

I like the thing, it's loud and easy to install, but unfortunately, 2 out of 3 won't work with remote, only manually.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Works brilliantly and good security,
  

*by S***E on Reviewed in the United Kingdom on 13 October 2024*

Someone living in a caravan, allows them to sleep knowing they are secure.

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Works perfectly…….
  

*by M***R on Reviewed in the United Kingdom on 13 April 2024*

The unit is really easy to set up and fit to your chosen location.You are able to fix it to the surface with self adhesive stickers or fixing screws supplied.Once a door is opened and the connection separated,the alarm is activated.Works really well and gives you added security.The main receiver plugs in to a socket in your chosen room.

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**Shop now:** [https://www.desertcart.kr/products/340743387-d121x2-rc533](https://www.desertcart.kr/products/340743387-d121x2-rc533)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-12*