---
product_id: 25782696
title: "Qolsys DW Mini-S Wireless Contact Sensor for Windows & Doors - S-Line Encrypted 319.5 MHz - Check Compatibility"
brand: "qolsys"
price: "฿2454"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/25782696-qolsys-dw-mini-s-wireless-contact-sensor-for-windows-doors
store_origin: TH
region: Thailand
---

# Intelligent notifications Battery-powered S-Line encryption Qolsys DW Mini-S Wireless Contact Sensor for Windows & Doors - S-Line Encrypted 319.5 MHz - Check Compatibility

**Brand:** qolsys
**Price:** ฿2454
**Availability:** ✅ In Stock

## Summary

> 🔑 Secure your space, effortlessly!

## Quick Answers

- **What is this?** Qolsys DW Mini-S Wireless Contact Sensor for Windows & Doors - S-Line Encrypted 319.5 MHz - Check Compatibility by qolsys
- **How much does it cost?** ฿2454 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/25782696-qolsys-dw-mini-s-wireless-contact-sensor-for-windows-doors)

## Best For

- qolsys enthusiasts

## Why This Product

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

## Key Features

- • **Smart Alerts:** Receive intelligent notifications like 'door left open'—stay informed!
- • **Compact Design:** Sleek and discreet, blending seamlessly into your home decor.
- • **Enhanced Security:** S-Line encryption protects your home from unauthorized access.
- • **Wired-Free Freedom:** Battery-powered design means no messy wiring.
- • **Seamless Installation:** Easily mounts with included adhesive—no tools required!

## Overview

The QOLSYS IQ DW MINI S-LINE Encrypted Door/Window Sensor QS1135-840 is a battery-powered, adhesive-mounted security solution that provides intelligent notifications and robust S-Line encryption for enhanced home security.

## Description

QOLSYS IQ DW MINI S-LINE Encrypted Door/Window Sensor QS1135-840

## Features

- Easily mounts with included adhesive
- Battery-powered, no wiring required
- Provides intelligent notifications such as "door left open"
- S-Line encryption protects signals

## Product Details

- **Brand:** Qolsys
- **Color:** white
- **Power Source:** Battery Powered
- **Maximum Range:** 600 Feet
- **Mounting Type:** Wall Mount

## Images

![Qolsys DW Mini-S Wireless Contact Sensor for Windows & Doors - S-Line Encrypted 319.5 MHz - Check Compatibility - Image 1](https://m.media-amazon.com/images/I/51J3oiR-ZEL.jpg)

## Frequently Bought Together

- QOLSYS IQ DW MINI S-LINE Encrypted Door/Window Sensor QS1135-840
- Qolsys QS1431-840 IQ Wireless S-Line Encrypted Glass Break Sensor

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.th/products/25782696-qolsys-dw-mini-s-wireless-contact-sensor-for-windows-doors](https://www.desertcart.co.th/products/25782696-qolsys-dw-mini-s-wireless-contact-sensor-for-windows-doors)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-26*