How to turn on the ultraviolet lamp Xiaomi: instructions for all models

Xiaomi’s ultraviolet lights are not just disinfection gadgets, but full-fledged smart home devices integrated into the Mi Home ecosystem. They are used to disinfect air, surfaces and even water (depending on the model), but their inclusion often raises questions among users. Unlike conventional household appliances, UV lamps require strict safety rules — improper use can harm health or disable the device.

In this article, we will discuss all official ways to activate Xiaomi UV lamps (including Mijia models). UV Sterilizer, Yeelight UV And others, and some of the hidden features that the manufacturer doesn't always advertise, you'll learn how to connect the lamp to the application, set the timer, avoid common errors, and what to do if the device doesn't respond to commands. Special attention should be paid to precautions - ultraviolet radiation is invisible to the eye, but its effects can be dangerous if you do not follow the instructions.

What UV lamp models Xiaomi produces and how they differ

Xiaomi and its sub-brands offer several types of UV lamps that vary in purpose, power and control, and here are the main series available in 2026:

• 🔦 Mijia UV Sterilizer - portable lamps for disinfecting small rooms (up to 20 m2). operate from a battery or network, often equipped with a motion sensor for automatic shutdown.

It is important to understand that not all models are compatible with Russian outlets – some versions of the Mijia. UV voltage-driven 110 B (US/China) and require an adapter. Before buying, check the specifications on the official website or in the product card on the website of the company. AliExpress/Wildberries. Also pay attention to the wavelength of UV radiation:

Most of the Xiaomi lamps are used UVC-The radiation (254 nm), which is most effective for disinfection, but also the most dangerous, is why all models are equipped with protective locks - for example, automatically shutting down when opening the lid or detecting movement.

Preparing for the first turn on: what to do before activation

Before turning on the UV lamp, be sure to follow the following steps – this will save you from errors and prolong the life of the device:

1. Install the Mi Home app. Even if the lamp has a mechanical button, full control is possible only through your smartphone. Download the app from the App Store or Google Play.
2. Connect the lamp to the mains. For models with a battery (Mijia) UV Portable) charge the device for at least 2 hours.

⚠️ Warning: Never turn on a UV lamp in a room with people or animals.Ultraviolet radiation UVC-This type of exposure causes photokeratitis (corneal burn) and damage to the DNA of skin cells, and even short-term exposure can lead to headaches and redness of the eyes.

If your model supports voice control (for example, through Alice or Google Assistant), pre-link it to the smart home in the Mi Home app.

1. Open Mi Home → Profile → Settings → Voice assistants.
2. Select the service (Yandex, Google, Siri).
3. Follow the authorization instructions.

Completed checked|Installed application Mi Home|The lamp is charged/connected to the network|The room is free from people/animals|Lamp coverage area defined-->

Step-by-step: how to turn on the UV lamp Xiaomi through the application

The most reliable way to activate is to use the official Mi Home app, which is suitable for all smart models (Mijia, Yeelight, etc.).

1. Add the device to Mi Home. Open the app and click. + → Add a device. Select a smart home category → Lighting (or type in the model name in search). Follow the hints on the screen. The lamp should flash blue/green, which means it's ready to pair.
2. Connect the lamp to Wi-Fi. Make sure your smartphone is connected to a 2.4 GHz network (Xiaomi's UV lamps don't work with 5 GHz). Enter the Wi-Fi password in the app. If the connection fails, restart the router.

If the lamp does not respond to commands from the application:

• 🔌 Check the power (reconnect the cable or replace the batteries).
• 📶 Make sure the device is within range of Wi-Fi.
• 🔄 Reset the lamp (hold the mechanical button for 10 seconds).
• 📱 Update the Mi Home app to the latest version.

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If the lamp flashes red after connecting to Wi-Fi, it means a server error Xiaomi. Try changing the region in the Mi Home settings to "China" - this often solves the problem.

Alternative ways to enable: without the application and through voice assistants

Not all Xiaomi models require the mandatory use of Mi Home.Some lamps (e.g. Mijia) UV Sterilizer Lamp 1S) They have mechanical control -- a physical button on the body. Here's how to use it:

1. Make sure the lamp is charged (the indicator should be green).
2. Press the power button 1 time - the device will turn on in standby mode (the indicator flashes blue).
3. Press the button again and a 30-second timer will start (the lamp will emit an audible signal).
4. To cancel, hold the button for 3 seconds.

Voice control is available for lamps integrated with Yandex Alice or Google Assistant.

• 🎤 "Alice, turn on the UV lamp in the living room for 10 minutes".
• 🎤 "Google, start disinfecting the bedroom".
• 🎤 "Siri, turn off Yeelight. UV 5 minutes later (requires settings via HomeKit).

To set up voice control:

1. Open Mi Home → pick a lamp → Settings → Voice assistants.
2. Connect the device to the Yandex account/Google.
3. Assign a unique name to the lamp (for example, "UV lamp kitchen") so that the voice assistant recognizes it.

⚠️ Warning: When using voice commands, make sure the lamp doesn't turn on accidentally. For example, if you say "Alice, turn on the lights," and there's both a regular lamp and a UV device in the room, the wrong device may go off!

Timers and Automation: How to Set Up a Disinfection Schedule

One of the key advantages of Xiaomi’s UV lamps is that it can automatically start on a schedule, which is convenient if you want to decontaminate a room in your absence (for example, during the day at work or at night).

1. Open the lamp card in Mi Home.
2. Press the timer. → Add.
3. Select the launch time (for example, 14:00) and the duration (from 1 to 60 minutes).
4. Specify the days of the week (you can choose specific days or set a repetition daily).
5. Save the settings.

For advanced automation, use scenes and triggers:

• 🔄 For example, the lamp will turn on when the Mi Temperature & Humidity Sensor detects high humidity (mold risk).
• 🚪 Integration with door sensors. The lamp will start when you leave the room (on a signal from Mi). Door/Window Sensor).
• 🌡️ Time conditions, like disinfection every 6 hours.

Example of setting up a scene in Mi Home:

1. Go to the Automation section → Create a stage.
2. Select the trigger: Device → Door sensor. → Open/Closed.
3. Add action: UV lamp → Turn it on for 30 minutes.
4. Save the scene called "Disinfection on care."

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Use timers only in areas where there are no people or animals while the lamp is running, for example, do not set up automatic switching on in the bathroom if there may be someone there.

What to do if the UV lamp Xiaomi does not turn on: diagnostics of malfunctions

If the lamp does not respond to commands, first check for the obvious reasons:

• 🔌 Power. Network models: check the socket with a multimeter or connect another device. Battery: charge at least 3 hours.
• 📶 Wi-Fi. Make sure the network is working (try connecting the phone). Xiaomi lamps don't support 5GHz - switch the router to 2.4GHz mode.
• 🔄 Reset. Press and hold the button on the lamp for 10-15 seconds until the indicator flashes red.
• 📱 Update the Mi Home to the latest version. If the lamp has worked before, remove it from the app and add it again.

If the problem persists, check the error codes (for models with display or light indication):

For Yeelight models UV Check compatibility with your region:

• China lamps may not work in Russia due to Wi-Fi frequency restrictions.
• In the Mi Home settings, select Mainland China (if the other one is not suitable).

⚠️ Warning: If the lamp makes extraneous sounds (cracking, humming) or smells of a burn, do not turn it on. These are signs of malfunction of the ballast or UV emitter. Contact a service center or a seller to replace it.

Safety measures when using UV lamps: what not to do

Ultraviolet radiation UVC-This is a type of (254 nm) used in medical facilities to sterilize instruments, but it takes great care in the home:

• 👁️ Don't look at a lamp that's working. Even a brief exposure to the eyes causes photokeratitis, which manifests itself after 6 to 12 hours with pain and tearing.
• 👶 Do not use in the presence of children or animals. Children are more sensitive to UV radiation, and animal coat does not protect the skin.
• 🌿 Don't point at plants. UV rays destroy chlorophyll -- houseflowers can die in a few sessions.
• 📱 Do not disinfect electronics at close range. Prolonged UV irradiation damages plastic cases and displays (such as smartphones or remote control panels).
• 🔥 Do not use near flammable materials. Some fabrics (such as silk) lose strength under the influence of UV rays.

Recommended disinfection time for different surfaces:

• 🛏️ Bed linen, clothing: 10-15 minutes from a distance of 30 cm.
• 🍽️ Tableware, cutlery: 5-10 minutes (wash pre-wash).
• 📦 Packages, boxes: 20-30 minutes (UV weakly penetrates cardboard).
• 🚪 Air in the room: 30-60 minutes (with closed windows).

After each use:

1. Ventilate the room for 10-15 minutes (UV radiation can form ozone).
2. Wipe the lamp body with a dry cloth - dust reduces the efficiency of radiation.
3. Keep the device in an out-of-access place for children, preferably in a case.

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Optimal distance for disinfection is 1 meter. If you place the lamp closer, reduce the exposure time by half to avoid material damage.

FAQ: Frequent questions about Xiaomi UV lamps