Xiaomi Mi Smart Temperature and Humidity Sensor Review: A Part Of Xiaomi Smart Home System

Many people are familiar with Xiaomi brand only due to smartphones and ultrabooks. Unfortunately, only a few people known this manufacturer offers a list of useful products for other purposes, especially this statement refers to appliances such as smart robotic cleaners (Xiaomi Mi Robot Vacuum), light strips (Xiaomi Yeelight Smart Light Strip), air purifiers (Xiaomi Mi Air Purifier 2), air conditioners (Xiaomi Smart Air Conditioner), tea makers (Kiss Kiss fish CC Cup) and many more. Plus, you can even find such products as the Xiaomi Jackets and Xiaomi Backpack. As you see, this brand is everywhere, and if you want to find something at a high quality, first look among Xiaomi products. This refers even when you want to test your home’s air quality or humidity. Don’t believe? The former one became available for purchase a month back, while the second one was launched several months ago. Today we decided to take a look at the Xiaomi Mi Smart Temperature and Humidity Sensor (WSDCQ01LM) and explore its usefulness.


Why Humidity is Important?

Generally, humidity plays a big role in the overall temperature of an area. I mean even if the temperature is not too warm or cold, it will affect people’s wellness due to humidity level in the air. As you probably know, humidity is the quantity of water vapor in the atmosphere or in a gas. Say, when the humidity level is high, people may feel unbearably hotter than the real temperature.


Obviously, it’s very important to control humidity. There are several reasons why you don’t have to close eyes on it: a very slight change in the humidity level can cause many problems related with the materials that rot in damp conditions; as for manufacturing and storages, many processes are based on the relative humidity level, so if it’s not controlled, it may cause corrosions, warping, molds, and condensation.

How Xiaomi Mi Smart Temperature and Humidity Sensor Looks?

The Xiaomi Mi Smart Temperature and Humidity Sensor comes at dimensions of 36 x 36 x 11.5 mm, and weighs only 20 grams. It’s been designed with perfect craftsmanship using anti UV material shell and advanced technologies. There is a battery (3V CR1632 button battery) inside the sensor. You have to know, one battery exists in the packaging.

We can find an adhesive layer under a protective paper layer on the back side. There is also a button to turn the sensor on when installing it for the first time (just press and hold it for 5 seconds). At last, we can see an air intake vent. Of course, there is a temperature icon on the top to remind us what a sensor we have installed. Everything is very simple. The sensor is available only in white.

How Xiaomi Mi Smart Temperature and Humidity Sensor Works?

This is not a standalone gadget, and it requires additional devices to operate. If you are familiar with the Xiaomi Multifunctional Gateway, then you get what I mean. If not, the Xiaomi Multifunctional Gateway is the ‘key’ to the ‘Xiaomi Smart Home’ system. It requires other products from this group to make your house in a smart home, otherwise we are dealing with a ‘smart’ lighting.


Well, I guess you have already realized the Xiaomi Mi Smart Temperature and Humidity Sensor is a part of Xiaomi Smart Home. It is connected via Mi Home app. The sensor’s operating temperature varies from -20 to 60, while the humidity does from 0 to 100%.

The measurement of humidity and temperature is done constantly. Users can monitor the data in real time as well as get date daily, weekly, or monthly. Owners can also control the sensor from wherever they are. The data can be shared with family members and many more.

The Gateway imitates signals when the sensor data are out of norm. When saying signals we mean flashing light or sound. This system can work for more than one sensors –you just have to give different names to them and control them in the way you want. Thus you can always control the temperature and humidity of any room in your house. The temperature measuring detection precision is up to +-0.3 ° c and relative humidity measurement accuracy up to +-3%.

The Takeaway

The Xiaomi Humidity Sensor is a good replacement for a regular thermometer, as this gadget is very cheap. I guess this gadget can be very useful in houses where kids or houseplants are. Even if you don’t have kids or palm trees with heating problems, but you want to make your home smarter, this device will be the best option for it. You can say there are many other humidity sensors, and that’s right. So why the Xiaomi Humidity Sensor is the best? The answer is simple – currently there are many Xiaomi Mi Home devices that can be connected to each other via Mi Home app. Those gadgets include a Mi Plug, Xiaomi Camera, Mi Air Purifier, Smart Home Kit and Mi Air Purifier. So you can control all these smart home devices via one app remotely or you can set up tasks and all house works will be done automatically. Say, the Xiaomi Humidity Sensor can understand the temperature in a room is too high, connect to the air condition and turn it on.


Argam Artashyan

Back in 2010, he was dismissed from his position as a lecturer at the university. This made him get another job at his friend’s digital marketing company as a blog writer. After a few years, when he was thinking the article writing is his mission, Google pushed the Panda update and affected the company and websites he was working at. (Un)fortunately and surprisingly, he got an offer to head a large knitting factory. In 2016, he got his Ph.D. and resumed teaching at the University … and writing tech-related articles following his passion.


  1. I have a Xiaomi humidity sensor but my app is very much in Chinese unlike the screen you have shown in the article , which is predominately in English.
    How do I get the app to display in English ?

  2. How many sensors can i connect on 1 gateway . And is is possible to have many sensors and gateways on one user profile .

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