---
product_id: 633705978
title: "Thread-Enabled HomeKit Door Window Contact Sensor,Wireless Mini Low-Energy Contact Sensor for Alarm System and Smart Home Automation, No Hub Required(2Pack)"
brand: "onvis"
price: "1166 kr"
currency: NOK
in_stock: true
category: "Onvis"
url: https://www.desertcart.no/products/633705978-thread-enabled-homekit-door-window-contact-sensor-wireless-mini-low
store_origin: NO
region: Norway
---

# Thread-enabled ultra-fast alerts Seamless Apple HomeKit integration 1-year battery life on CR2450 Thread-Enabled HomeKit Door Window Contact Sensor,Wireless Mini Low-Energy Contact Sensor for Alarm System and Smart Home Automation, No Hub Required(2Pack)

**Brand:** onvis
**Price:** 1166 kr
**Availability:** ✅ In Stock

## Summary

> 🔐 Stay connected, stay secure—without the hub hassle!

## Quick Answers

- **What is this?** Thread-Enabled HomeKit Door Window Contact Sensor,Wireless Mini Low-Energy Contact Sensor for Alarm System and Smart Home Automation, No Hub Required(2Pack) by onvis
- **How much does it cost?** 1166 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/633705978-thread-enabled-homekit-door-window-contact-sensor-wireless-mini-low)

## Best For

- onvis enthusiasts

## Why This Product

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

## Key Features

- • **Privacy-First Design:** 100% local data, no cloud, no tracking—your security stays truly yours.
- • **Ultra-Low Energy Consumption:** CR2450 battery lasts up to 1 year, minimizing maintenance and maximizing peace of mind.
- • **Instant Thread-Powered Alerts:** Get real-time notifications the moment your door or window opens—no lag, no compromise.
- • **Comprehensive 30-Day Activity Log:** Review and export door/window open-close history anytime via the Onvis app or Apple devices.
- • **Effortless Apple HomeKit Automation:** Trigger smart home scenes automatically, like lighting up your hallway when you enter.

## Overview

The Onvis Thread-Enabled HomeKit Door Window Contact Sensor is a compact, wireless security device designed for seamless Apple HomeKit integration. It delivers instant, low-energy alerts when doors or windows open, supports smart automations, and offers a year-long battery life with CR2450 power. With privacy-first local data handling and a 30-day activity log, it’s the perfect upgrade for millennial professionals seeking smart, reliable home security without the clutter of hubs or cloud dependencies.

## Description

Buy Onvis Thread-Enabled HomeKit Door Window Contact Sensor,Wireless Mini Low-Energy Contact Sensor for Alarm System and Smart Home Automation, No Hub Required(2Pack) online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- 【WHAT’S NEW】The Onvis contact sensor now is upgraded to support Thread - This allow you get instant alerts when windows or doors open in your home.It can control other HomeKit-accessories when you are away home which requires HomePod mini and Apple TV
- 【Onvis Door Sensor, Keep Your Home And Family Safe】 Onvis door sensor will send you notifications when there's a ON/OFF state change, reminding you whether the door or window is open or closed, 24/7 door sensor will monitor home, office, garage, warehouse, and more.
- 【Window & Door Sensor For Home Security System】Onvis Thread-enabled door sensor works exclusively with Apple HomeKit. Creating home automations with other HomeKit enabled accessories. For example, with the front door opened, the hallway lights can be turn on automatically.
- 【Low Energy Consumption And Long Standby Time】 The door sensor uses bluetooth low energy and powered by CR2450 cell battery, offering low power consumption and 1 year standby time. Excellent quality and seamless installation.
- 【Record and Export】 Shows detection records over the recent 30 days and can be checked on ONVIS Home App or Apple devices.
- 【Reliable and Privacy】100% Privacy: No Onvis cloud, no registration, no tracking.
- 【IMPORTANT Updates 】Please upgrade your Onvis APP to v4.0.2. This version App supports CT3 firmware upgrade from v1.3.1 & v1.4.4 to v1.5.3, which greatly improves CT3 low-power performance, and enables on/off records.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BXP613WN |
| ASIN  | B0BXP613WN |
| Audible Noise | 75 Decibels |
| Batteries  | 1 CR2 batteries required. (included) |
| Battery Description | Alkaline |
| Best Sellers Rank | #75,564 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #84 in Home Security Door & Window Sensors |
| Brand | Onvis |
| Built-In Media | 2*Onvis Smart Door & Window Sensor1* adhesive backing 1*user manual 1*Reset pin |
| Color | white |
| Compatible Devices | HomeKit-enabled Apple devices |
| Control Method | App |
| Country of Origin | China |
| Country of origin  | China |
| Customer Reviews | 4.0 4.0 out of 5 stars (57) |
| Customer reviews | 4.0 4.0 out of 5 stars (57) |
| Date First Available  | 14 May 2024 |
| Item model number  | CT3-N |
| Manufacturer | Onvis |
| Manufacturer  | Onvis |
| Manufacturer Warranty Description | 1Year |
| Mfr Part Number | CT3--2 |
| Model Number | CT3-N |
| Mounting Type | Door Mount, Window Mount |
| Number of Batteries | 1 CR2 batteries required. (included) |
| Power Source | Battery Powered |
| Product Dimensions  | 3 x 4.6 x 1.5 cm; 68 g |
| Sensor Technology | Contact Sensor |
| Size | 2 |
| Unit Count | 2.0 Count |
| Voltage | 3 Volts |

## Product Details

- **Battery description:** Alkaline
- **Brand:** Onvis
- **Colour:** white
- **Compatible devices:** HomeKit-enabled Apple devices
- **Power source:** Battery Powered

## Images

![Thread-Enabled HomeKit Door Window Contact Sensor,Wireless Mini Low-Energy Contact Sensor for Alarm System and Smart Home Automation, No Hub Required(2Pack) - Image 1](https://m.media-amazon.com/images/I/61GJ+Fjg28L.jpg)

## Questions & Answers

**Q: Can it worked with Apple device ?**
A: Yes,it's a homekit sensor

**Q: Can I control it by voice?**
A: Of course you can! "Hey Siri, turn the kitchen light to 30%." It's very easy to use!

**Q: Is the battery rechargeable ?**
A: No,you can replace the battery

**Q: Can I remotely control it with my mobile phone?**
A: Yes,but requre a hub ( Homepod mini or Apple TV)

## Frequently Bought Together

- Onvis Thread-Enabled HomeKit Door Window Contact Sensor,Wireless Mini Low-Energy Contact Sensor for Alarm System and Smart Home Automation, iOS Only (2Pack)
- Onvis Smart Button, 5-Keys Smart Switch, Scene Controller, Compatible with Apple HomeKit, Automatically Trigger Accessories & Scenes-Thread (iOS 17.4 or Later is Required)

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**Shop now:** [https://www.desertcart.no/products/633705978-thread-enabled-homekit-door-window-contact-sensor-wireless-mini-low](https://www.desertcart.no/products/633705978-thread-enabled-homekit-door-window-contact-sensor-wireless-mini-low)

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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-11-10*