Smart Home | Home Security Sensors

Mi Door and Window Sensor 2 (Global Variant)  – Bluetooth 5.1, Smart Open/Close Detection and Ambient Light Sensor

The Xiaomi Mi Door and Window Sensor 2 Global Version (MCCGQ02HL) is a compact smart home security accessory designed to monitor the opening and closing status of doors, windows, cabinets, and drawers. Using a sensor-and-magnet detection system, it identifies when an opening changes state and supports convenient monitoring through compatible Xiaomi Home smart home configurations.In addition to open-and-close detection, this smart sensor features an ambient light sensor that detects changes in surrounding light intensity. Its compact design, Bluetooth Low Energy 5.1 connectivity, pre-installed CR2032 battery, and adhesive mounting system make it a practical addition to a connected home. Whether you want to keep track of a frequently used door, monitor a window, or build a more responsive smart home setup, the Xiaomi Mi Door and Window Sensor 2 offers useful everyday monitoring features.

Key Features of Xiaomi Mi Door and Window Sensor 2

Intelligent Door and Window Status Detection

The Xiaomi Mi Door and Window Sensor 2 uses two components: a sensor unit and a corresponding magnet. When a door or window is closed, the two components remain close together. Opening the door or window separates them, allowing the sensor to detect the change in status.This simple detection mechanism makes the device useful for monitoring entry points, cabinets, storage spaces, and frequently used drawers. With a compatible Xiaomi Home setup, the detected status can be used in supported smart home scenarios, helping you keep track of openings around your home.

Built-In Ambient Light Sensor

Beyond detecting whether an opening is open or closed, the Mi Door and Window Sensor 2 includes an ambient light sensor that responds to changes in surrounding light intensity.This additional sensing capability can support compatible automation scenarios. For example, changes in light conditions around a monitored opening may be useful as part of a broader smart home routine, depending on the devices, app features, and configuration available in your region.

Bluetooth 5.1 Low Energy Connectivity

The sensor uses Bluetooth 5.1 Low Energy (BLE) to communicate with supported smart home devices. BLE is designed for low-power wireless communication, making it suitable for a small, battery-operated sensor that remains in place for extended periods.Bluetooth connectivity does not mean the sensor has built-in Wi-Fi or can independently send notifications over the internet from any location. Remote monitoring, notifications, and automation availability depend on the compatible Xiaomi Home configuration and whether a supported Bluetooth gateway or hub is required for the intended function.

Compact Design for Different Home Locations

Measuring just 34.0 × 32.7 × 14.5 mm, the Xiaomi Mi Door and Window Sensor 2 has a compact profile that can fit into many home environments without drawing unnecessary attention.It can be installed on suitable doors, windows, drawers, cabinets, and other openings where the sensor and magnet can remain correctly aligned. The supplied adhesive stickers simplify installation, making the device suitable for renters and homeowners who prefer not to drill holes into furniture or door frames.

Battery-Powered Operation

The Mi Door and Window Sensor 2 uses a CR2032 button-cell battery, which is included and installed according to Xiaomi's global specifications. Its low-power Bluetooth design supports battery-operated use without requiring a permanent wired power supply.Battery life depends on usage patterns, wireless communication, environmental conditions, and battery quality. When replacement is required, use the specified battery type and follow the instructions in the product manual. Keep button-cell batteries away from children and dispose of used batteries responsibly.

Easy Installation and Setup

The Xiaomi Mi Door and Window Sensor 2 is designed for straightforward installation on a suitable indoor surface. Before attaching it, choose a position where the sensor and magnet can stay close together when the door or window is closed and separate when it opens.

• Clean and dry the mounting surfaces before applying the adhesive stickers.
• Attach the sensor to the fixed part of the opening and the magnet to the moving part, following the user manual.
• Keep the sensor and magnet correctly aligned and within the recommended separation distance when closed.
• Pair the device through a compatible Xiaomi Home app configuration.
• Check whether a compatible Bluetooth gateway is required for your intended smart home functions.
• Test opening and closing detection before relying on the sensor for routine monitoring.

Note: This device is intended for indoor use. It is a status-monitoring sensor and should not be treated as a standalone certified alarm system or a substitute for appropriate physical security measures.

Xiaomi Mi Door and Window Sensor 2 Specifications

Specification note: Specifications are based on Xiaomi's official global product documentation. App functionality, gateway requirements, and available automation features may vary by region and compatible smart home devices.

Ideal Uses for Xiaomi Mi Door and Window Sensor 2

Frequently Asked Questions

Why Choose the Xiaomi Mi Door and Window Sensor 2 Global Version?

The Xiaomi Mi Door and Window Sensor 2 Global Version is a useful addition to a compatible smart home, combining open-and-close detection with ambient light sensing in a compact, battery-powered design. Bluetooth 5.1 connectivity, adhesive installation, and support for Xiaomi Home configurations make it suitable for monitoring doors, windows, cabinets, and drawers.Whether you are building a smart home setup or adding monitoring to a frequently used opening, this sensor provides a convenient way to track changes in status. For the best experience, verify regional app compatibility and gateway requirements before integrating it with your existing smart home devices.