---
product_id: 511875895
title: "4 Sets NC Wired Door Alarm Magnetic Contact Sensor with Double Side Tape"
brand: "gagalor"
price: "S$20"
currency: SGD
in_stock: true
category: "Gagalor"
url: https://www.desertcart.sg/products/511875895-4-sets-nc-wired-door-alarm-magnetic-contact-sensor-double
store_origin: SG
region: Singapore
---

# 0.5 inch max detection range Normally closed (NC) reliable switch Easy double-sided tape install 4 Sets NC Wired Door Alarm Magnetic Contact Sensor with Double Side Tape

**Brand:** gagalor
**Price:** S$20
**Availability:** ✅ In Stock

## Summary

> 🔐 Secure your space, effortlessly stylish.

## Quick Answers

- **What is this?** 4 Sets NC Wired Door Alarm Magnetic Contact Sensor with Double Side Tape by gagalor
- **How much does it cost?** S$20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/511875895-4-sets-nc-wired-door-alarm-magnetic-contact-sensor-double)

## Best For

- gagalor enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Setup:** Stick & secure with premium double-sided tape—no tools, no hassle.
- • **Trusted Security:** Normally closed magnetic switch ensures instant alerts when doors open.
- • **Compact & Discreet:** Sleek white casing blends seamlessly with modern interiors.
- • **Precision Detection:** Operates flawlessly within a 0.5-inch range for most doors and windows.
- • **Complete Protection Pack:** Four sensors included—cover multiple entry points with one purchase.

## Overview

The GAGALOR 4 Sets NC Wired Door Alarm Magnetic Contact Sensor offers reliable, normally closed magnetic detection with a 0.5-inch operation range. Designed for easy installation using double-sided tape, these compact white sensors fit most doors and windows, providing professional-grade security in a sleek package. Ideal for millennial managers seeking smart, no-fuss home protection.

## Description

GAGALOR 4 Sets NC Wired Door Alarm Magnetic Contact Sensor Witch Double Side Tape

## Features

- With double side tape, easy for installation
- Suitable for 22-28 AWG wirs
- Reliable quality with white case
- Normally closed type(NC), switch closed when door is closed.
- more than 1/2 inch operation distance , suitable for most door&windows

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BMG19XTW |
| Battery Description | Alkaline |
| Best Sellers Rank | #128 in Home Security Systems |
| Brand | GAGALOR |
| Built-In Media | Case |
| Color | white |
| Control Method | Touch |
| Customer Reviews | 4.4 4.4 out of 5 stars (196) |
| Item Dimensions L x W x H | 0.39"L x 0.39"W x 1.97"H |
| Item Type Name | WHITE |
| Item Weight | 0.03 kg |
| Manufacturer | GAGALOR |
| Maximum Range | 0.5 inches |
| Mfr Part Number | C-40-4 |
| Model Number | C-40-4 |
| Mounting Type | Protruding |
| Number of Items | 4 |
| Number of Packs | 4 |
| Power Source | Battery Powered |
| Sensor Technology | Contact Sensor |
| Size | 1.97 inches |
| Unit Count | 4 Count |

## Product Details

- **Battery Description:** Alkaline
- **Brand:** GAGALOR
- **Color:** white
- **Power Source:** Battery Powered
- **Product Dimensions:** 0.39"L x 0.39"W x 1.97"H

## Images

![4 Sets NC Wired Door Alarm Magnetic Contact Sensor with Double Side Tape - Image 1](https://m.media-amazon.com/images/I/41IiRsULwqL.jpg)

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**Shop now:** [https://www.desertcart.sg/products/511875895-4-sets-nc-wired-door-alarm-magnetic-contact-sensor-double](https://www.desertcart.sg/products/511875895-4-sets-nc-wired-door-alarm-magnetic-contact-sensor-double)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-12*