---
product_id: 539654027
title: "– Blu Door/Window White - Smart Bluetooth Montion Sensor Alarm, Home Security, Remote Control Detector, App Alerts, Alexa & Google Home, Gateway Required, Scene Activation, Lux Sensor"
brand: "shelly"
price: "€ 60.74"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/539654027-blu-door-window-white-smart-bluetooth-montion-sensor-alarm-home
store_origin: FI
region: Finland
---

# Ultra-compact 3.5cm size Bluetooth connectivity 5-year battery life – Blu Door/Window White - Smart Bluetooth Montion Sensor Alarm, Home Security, Remote Control Detector, App Alerts, Alexa & Google Home, Gateway Required, Scene Activation, Lux Sensor

**Brand:** shelly
**Price:** € 60.74
**Availability:** ✅ In Stock

## Summary

> 🔐 Stay one step ahead with Shelly Blu — security that’s smart, sleek, and always on.

## Quick Answers

- **What is this?** – Blu Door/Window White - Smart Bluetooth Montion Sensor Alarm, Home Security, Remote Control Detector, App Alerts, Alexa & Google Home, Gateway Required, Scene Activation, Lux Sensor by shelly
- **How much does it cost?** € 60.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/539654027-blu-door-window-white-smart-bluetooth-montion-sensor-alarm-home)

## Best For

- shelly enthusiasts

## Why This Product

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

## Key Features

- • **Long-Lasting Power:** Up to 5 years of uninterrupted monitoring on a single CR2032 battery—set and forget.
- • **Voice & App Control:** Full integration with Alexa, Google Home, and Shelly Smart Control app for hands-free convenience.
- • **Custom Automation Ready:** Supports scene activation and lux sensing for smart, personalized home automation.
- • **Discreet & Sleek Design:** Ultra-compact form factor blends seamlessly into any home or office setup.
- • **Effortless Smart Security:** Instant alerts on door/window activity keep you in control, wherever you are.

## Overview

The Shelly Blu Door/Window sensor is a compact, battery-powered Bluetooth device designed for smart home security. It detects door and window openings, tilt, and ambient light levels, sending instant alerts via the Shelly app or voice assistants like Alexa and Google Home. With a 5-year battery life and ultra-fast response time under 100ms, it offers reliable, discreet monitoring that integrates seamlessly into your smart home ecosystem (gateway required).

## Description

Shelly Blu Door/Window White - Smart Bluetooth Montion Sensor Alarm, Home Security, Remote Control Detector, App Alerts, Alexa & Google Home, Gateway Required, Scene Activation, Lux Sensor

## Features

- 𝗦𝗺𝗮𝗿𝘁 𝗘𝗻𝘁𝗿𝘆 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴: Detects and reports door/window openings, tilt levels, and luminosity for reliable automation
- 𝗨𝗹𝘁𝗿𝗮-𝗖𝗼𝗺𝗽𝗮𝗰𝘁 𝗗𝗲𝘀𝗶𝗴𝗻: Discreet and easy to install in any room or door/window frame
- 𝗟𝗼𝗻𝗴 𝗕𝗮𝘁𝘁𝗲𝗿𝘆 𝗟𝗶𝗳𝗲 & 𝗙𝗮𝘀𝘁 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗲: Runs up to 5 years on a CR2032 battery with reaction time under 100 ms
- 𝗚𝗮𝘁𝗲𝘄𝗮𝘆 𝗥𝗲𝗾𝘂𝗶𝗿𝗲𝗱: A Shelly BLU Gateway or any Shelly Plus, Pro, Gen3 or Gen4 device (excluding sensors) is needed to use this device with the Shelly Smart Control app or any home automation system
- 𝗔𝗽𝗽 & 𝗩𝗼𝗶𝗰𝗲 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: Control from anywhere using the Shelly Smart Control app or voice assistants like Alexa, Google Home, or SmartThings - 𝗕𝗹𝘂𝗲𝘁𝗼𝗼𝘁𝗵 𝗚𝗮𝘁𝗲𝘄𝗮𝘆 𝗥𝗲𝗾𝘂𝗶𝗿𝗲𝗱

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Shelly Europe |
| Part Number | 660 |
| Product Dimensions | 0.7 x 3.5 x 3.5 cm; 22 g |
| Batteries | 1 CR2430 batteries required. (included) |
| Item model number | 3800235266601 |
| Size | 1er Pack |
| Colour | White |
| Style | Single |
| Material | Plastic |
| Power Source | Battery Powered |
| Item Package Quantity | 1 |
| Temperature Range | 1E+2 Degrees Fahrenheit |
| Measurement System | metric |
| Plug profile | Wall Mount |
| Special Features | Battery 1 x 3 V CR2032 - includes battery level |
| Included Components | 1x Shelly Blu Door/Window White |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Ion |
| Battery description | Lithium |
| Average Battery Life | 5 	years |
| Item Weight | 22 g |

## Product Details

- **Brand:** Shelly
- **Colour:** White
- **Power source:** Battery Powered
- **Item weight:** 22 Grams
- **Maximum range:** 30 Metres

## Images

![– Blu Door/Window White - Smart Bluetooth Montion Sensor Alarm, Home Security, Remote Control Detector, App Alerts, Alexa & Google Home, Gateway Required, Scene Activation, Lux Sensor - Image 1](https://m.media-amazon.com/images/I/71vregx9y3L.jpg)

## Available Options

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

## Questions & Answers

**Q: Shelly BLU Door/Window inclusion failed. What should I do?**
A: Download the Shelly BLE Debug APP and proceed with OTA FW update from there. Activate the Bluetooth gateway, and then retry inclusion to Shelly Smart Control app. For further help, turn to support.shelly.cloud.

**Q: Shelly BLU Door/Window battery is draining quickly?**
A: The device might have stuck in bootloader mode. Remove it from your Bluetooth settings and perform manual update. Insert the battery into your device and then run slow OTA update in Shelly Debug App.

**Q: Do I need a gateway for my Shelly BLU Door/Window?**
A: To use this device with the Shelly Smart Control app, a gateway is required. Compatible gateways are Shelly BLU Gateway, or any Shelly Plus, Pro or Gen3 device (excluding sensors).

**Q: Sensor fails to detect correct door/window position. What should I do?**
A: Ensure your device's firmware is up-to-date and that it's installed level, not tilted. For further assistance, contact our support team at support.shelly.cloud.

**Q: Shelly BLU Motion is unresponsive after a firmware update?**
A: Remove ("Forget") Shelly BLU Door/Window from Bluetooth settings. Open Shelly BLE Debug App, insert the battery, and select the device. Start a slow OTA update. If it doesn’t appear, press the button briefly before reinserting the battery.

## Frequently Bought Together

- Shelly Blu Door/Window White | Smart Bluetooth Operated Sensor for Home Security & Custom Activation Scenes | Home Automation | Email & App Alerts Notification | Alexa & Google Home Compatibility
- Shelly BLU Gateway | Bluetooth WiFi Gateway in a USB-A dongle | Home Automation | Compatible with Alexa & Google Home | iOS Android App | WiFi Range Extender | Wire-Free
- Shelly Blu Motion | Bluetooth Motion & Lux Sensor | Home Automation | Compatible with Alexa & Google | iOS Android App | Long-Lasting Battery | Scene Activation | Range up to 9 Meters

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**Shop now:** [https://www.desertcart.fi/products/539654027-blu-door-window-white-smart-bluetooth-montion-sensor-alarm-home](https://www.desertcart.fi/products/539654027-blu-door-window-white-smart-bluetooth-montion-sensor-alarm-home)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-02*