Smart temperature and humidity monitor compact sensor Bluetooth 5.0 Smart Temperature and Humidity Monitor 3 Mini 0 °C–60 °C 0.1 °C 0 %–99 % RH 1 % RH 2.1″ LCD Bluetooth Low Energy QBH4312GL White Xiaomi

Xiaomi Smart Temperature and Humidity Monitor 3 Mini is a compact smart temperature and humidity sensor designed for indoor microclimate monitoring. With a precise sensor and Bluetooth 5.0 connectivity, it displays real-time temperature and relative humidity on a large, easy-to-read LCD screen and allows data analysis via the Mi Home app for more efficient home comfort planning.

Key Advantages

• Precise Sensirion digital sensor → detects small temperature and humidity changes with 0.1 °C and 1 % RH accuracy

• Bluetooth Low Energy 5.0 connection → stable wireless communication with the Mi Home app

• Compact and lightweight design → easy placement in various rooms

• 2.1″ LCD screen with slim bezel → clear visibility of environmental data

• Wide measurement range → temperature 0 °C–60 °C and humidity 0 %–99 % RH

• Long battery life → up to ~2–3 years with a single CR2450 battery

• Bluetooth Mesh support → integration with smart home devices and automation

• Fast data refresh ~6 seconds → up-to-date microclimate information

• Energy-efficient operation → low-power design

Technical Specifications

• Type → temperature and humidity monitor (smart sensor)

• Model → Smart Temperature and Humidity Monitor 3 Mini (MJWSD06MMC)

• Manufacturer → Xiaomi

• Connection → Bluetooth Low Energy 5.0

• Temperature range → 0 °C–60 °C

• Temperature resolution → 0.1 °C

• Humidity range → 0 %–99 % RH

• Humidity resolution → 1 % RH

• Display → ~2.1″ LCD with slim bezel

• Power supply → CR2450 battery (included)

• Battery life → up to 2–3 years

• Dimensions → 53 × 45.3 × 13 mm

• Weight → ~30 g

• Material → ABS plastic

• Color → white

Compatibility

• Compatible with Mi Home / Xiaomi Home app on smartphones

• Bluetooth connection enables data synchronization and history analysis

• Integrates with Bluetooth Mesh smart home devices for automated climate control

• No direct Wi-Fi or Ethernet connection

How to Use

• Ensure the CR2450 battery is installed (usually pre-installed)

• Turn on the sensor and enable Bluetooth on your smartphone

• Connect the device in the Mi Home / Xiaomi Home app

• Place the device in the room you want to monitor

• View temperature and humidity charts, set alerts, and create automation in the app

Why Buy
Xiaomi Smart Temperature and Humidity Monitor 3 Mini provides accurate and continuous environmental monitoring with long battery life, helping maintain a healthy and comfortable indoor climate. Bluetooth connectivity with the Xiaomi Home ecosystem adds value through data analysis and smart home automation.

Real-World Use Scenarios

• Bedroom climate control — stable temperature and optimal humidity for sleep

• Children’s room monitoring — healthier microclimate for kids

• Workplace / office — air condition monitoring for comfort and productivity

• Storage room or warehouse control — critical temperature and humidity management

• Smart home automation — triggering fans or humidifiers at set thresholds

Package Contents

• Xiaomi Smart Temperature and Humidity Monitor 3 Mini

• CR2450 battery (pre-installed)

• User manual

• Mounting sticker / stand (if included)

About the Brand
Xiaomi is a global technology brand offering innovative and user-friendly smart home solutions, advanced sensor technology, and efficient ecosystem integration to improve comfort and well-being.