Smart door and window opening sensor with Bluetooth connection Mi Door and Window Sensor 2 White BHR5154GL Xiaomi

The Mi Door and Window Sensor 2 (BHR5154GL) is a smart Bluetooth-enabled sensor that instantly detects door or window opening. It enhances home security, sends real-time alerts to your phone and enables powerful smart home automation through the Xiaomi ecosystem. Compact, discreet and energy-efficient — an essential accessory for any modern home.

Key benefits

• Instant open/close detection → improved safety and access monitoring.

• Bluetooth connectivity → fast, stable and efficient communication.

• Real-time notifications → immediate awareness of any event.

• Xiaomi Home integration → smart automation with lights, alarms and appliances.

• Custom automation scenarios → home responds to your movement and presence.

• High detection accuracy → reliably triggers even with quick door movements.

• Ultra-compact design → blends seamlessly into any interior.

• Easy installation → adhesive mounting without tools.

• Low energy consumption → long battery life.

• Minimised false triggers → intelligent state-detection algorithm.

• Ideal for cabinets and drawers → protects personal belongings.

• Activity history → track opening events and household safety.

Technical specifications

• Type: smart door and window sensor.

• Model: BHR5154GL.

• Connectivity: Bluetooth.

• Trigger type: magnetic separation detection.

• Power: long-life battery.

• Indicators: open/closed status, connection status.

• Material: durable ABS plastic.

• Color: white.

• Installation: doors, windows, cabinets, drawers.

• Compatibility: Xiaomi Home (Android / iOS).

• Automation support: full smart home scenarios.

Use cases

• Door opening alerts.

• Window safety monitoring.

• Window opened → AC switches off automatically.

• Door opened in the evening → lights turn on automatically.

• Child room monitoring.

• Cabinet and drawer access protection.

• Home alarm automation during travel.

Package contents

• Mi Door and Window Sensor 2.

• Adhesive mounting strips.

• Battery.

• User manual.

About the brand

Xiaomi is a global leader in smart home technology, delivering reliable, energy-efficient and innovative solutions. Its sensors help create a safe, comfortable and intelligently automated living environment.