---
product_id: 743036161
title: "Door and Window Sensor T1, Mini Wireless Contact Sensor for Smart Home Security and Automation, Requires Aqara Hub, Zigbee 3.0, Works with Apple HomeKit, Alexa, IFTTT"
brand: "aqara"
price: "S$36"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/743036161-door-and-window-sensor-t1-mini-wireless-contact-sensor-smart
store_origin: SG
region: Singapore
---

# 400-inch Zigbee range 3V long-lasting lithium battery Voice control via HomeKit & Alexa Door and Window Sensor T1, Mini Wireless Contact Sensor for Smart Home Security and Automation, Requires Aqara Hub, Zigbee 3.0, Works with Apple HomeKit, Alexa, IFTTT

**Brand:** aqara
**Price:** S$36
**Availability:** ✅ In Stock

## Summary

> 🔐 Elevate your home security game—because peace of mind should never be out of reach.

## Quick Answers

- **What is this?** Door and Window Sensor T1, Mini Wireless Contact Sensor for Smart Home Security and Automation, Requires Aqara Hub, Zigbee 3.0, Works with Apple HomeKit, Alexa, IFTTT by aqara
- **How much does it cost?** S$36 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/743036161-door-and-window-sensor-t1-mini-wireless-contact-sensor-smart)

## Best For

- aqara enthusiasts

## Why This Product

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

## Key Features

- • **Hands-Free Voice Control:** Control and monitor your home security effortlessly using Apple HomeKit or Alexa voice commands.
- • **Compact & Discreet Design:** Mini sensor fits virtually anywhere with a sleek 1.61×0.87×0.43 inch profile for invisible security.
- • **Plug & Play with Aqara Hub:** Easy setup with Aqara Hub ensures smooth integration and real-time notifications on your phone.
- • **Effortless Smart Automation:** Trigger alarms and automate your smart home devices instantly when doors or windows open.
- • **Seamless Zigbee Connectivity:** Stay connected with a robust 400-inch wireless range ensuring reliable alerts.

## Overview

The Door and Window Sensor T1 is a compact, wireless contact sensor designed for smart home security and automation. Operating on Zigbee 3.0, it requires the Aqara Hub for connectivity and supports Apple HomeKit, Alexa, and IFTTT for seamless voice control and automation. With a reliable 400-inch range, 3V lithium battery, and easy adhesive mounting, it delivers instant alerts and smart triggers to keep your home safe and connected.

## Description

Door and Window Sensor T1, Mini Wireless Contact Sensor for Smart Home Security and Automation, Requires Aqara Hub, Zigbee 3.0, Works with Apple HomeKit, Alexa, IFTTT

## Features

- Note: Requires an Aqara Hub (sold separately) and a secure 2.4GHz Wi-Fi connection (Hub M2 also supports Ethernet). Not compatible with hubs from other brands.
- Connection Range: For stable performance, keep the sensor within 400 inches of the Aqara Zigbee Hub, and ensure the hub is within the same distance from your Wi-Fi router. Both must be on the same local network.
- Security Alerts & Automation: Get instant alerts on your phone and trigger alarms on the Aqara Hub if a door or window opens unexpectedly. Easily automate other Aqara devices based on door or window status for enhanced home security.
- Wide Compatibility: Works with most doors, windows, drawers, and cabinets with gaps up to 0.86 inch. Sensor size: 1.61×0.87×0.43 in; Magnet size: 0.79×0.39×0.39 in. Ensure installation surfaces are flat and adhesive-friendly.
- Hands-Free Voice Control: Compatible with Apple HomeKit, Alexa for a hands-free experience.- no need to go downstairs or pick up your phone again. You'll always know whether your home door is opening or closing. (Not compatible with SmartThings.)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Battery Description | Lithium |
| Number of Batteries | 1 Lithium Metal batteries required. (included) |
| Voltage | 3 Volts (DC) |
| Control Method | App |
| Mounting Type | Adhesive Mount |
| Maximum Range | 400 Inches |
| Sensor Technology | Contact Sensor |
| UPC | 192784001240 |
| Manufacturer | Lumi United Technology Co., Ltd. |
| Part Number | DW-S03D |
| Item Weight | 0.882 ounces |
| Product Dimensions | 0.87 x 0.59 x 1.61 inches |
| Item model number | DW-S03D |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Item Package Quantity | 1 |
| Included Components | Sensor Unit x 1, Magnet x 1, Sticker x 2, Quick Start Guide x 1 |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Metal |
| Description Pile | Lithium |

## Product Details

- **Color:** White
- **Brand:** Aqara
- **Power Source:** Battery Powered
- **Compatible Devices:** Smartphone, Tablet
- **Product Dimensions:** 0.87"L x 0.59"W x 1.61"H

## Images

![Door and Window Sensor T1, Mini Wireless Contact Sensor for Smart Home Security and Automation, Requires Aqara Hub, Zigbee 3.0, Works with Apple HomeKit, Alexa, IFTTT - Image 1](https://m.media-amazon.com/images/I/61IV7Ll7OGL.jpg)

## Frequently Bought Together

- Aqara Door and Window Sensor T1, Smart Home Security Device with Real-Time Alerts, Zigbee 3.0 Compatible, Works with HomeKit, Alexa, and Google Assistant
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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-24*