Xiaomi LYWSD02MMC User manual

Temperature and Humidity Monitor Clock User Manual

Product Overview
Read this manual carefully before use, and retain it for future reference.
Front Accessory List
Stand
Guide Mark
Adhesive Sticker Flexible Magnet
Top
Rear
Adhesive Area
Guide Mark
Cover Opening
Ventilation Holes
Note: Please do not cover the ventilation
holes when using the device.
01

Remove the cover from the cover
opening on the back of the clock,
separately) with the negative (—) side
facing downwards, and then reinstall
the cover.
Note: Connect the clock with the Mi
Home/Xiaomi Home app when using it
for the first time. Once connected
successfully, the clock will
automatically calibrate time.
Installation
Once the clock is working normally, it can be installed indoors in the following ways:
Installing the clock
a. Using the stand: Remove
the release liner from the
stand, align the guide marks
and press firmly to stick the
stand on the back of the
clock. Place the clock on a
desk, TV cabinet or other
flat surface.
Stand
02
Xiaomi
Temperature and
Humidity Monitor
Clock
Installing the Batteries

How to Use
Display
Time
Humidity
Temperature
Comfort Level Symbol
Data Transfer Symbol
03
Using the adhesive sticker:
Remove the release liner
from one side of the
adhesive sticker to stick it
on the back of the clock.
Then remove the release
liner from the other side of
the adhesive sticker to
stick the clock on a wall.
b.
Using the flexible magnet:
Remove the release liner
from the flexible magnet
to stick it on the back of
clock to a surface that
the magnet can stick to
such as refrigerator.
c.
Flexible Magnet
Adhesive Sticker
Xiaomi
Temperature and
Humidity Monitor
Clock
Xiaomi
Temperature and
Humidity
Monitor Clock

04
inverted) once every 30 minutes so as to refresh the display.
Refresh Notification
Comfort Level Description
Between 20% and 85%
Less than 20%
More than 85%
Less than 19 C
Humidity Temperature Between 19 C and 27 C More than 27 C
right corner of the display. Notification

This product works with Mi Home/Xiaomi Home app*.
Control your device with Mi Home/Xiaomi Home app.
Smart Connection
Scan the QR code to download and install the app.
You will be directed to the connection setup page if
the app is installed already. Or search "Mi Home/
Xiaomi Home" in the app store to download and
install it. Open Mi Home/Xiaomi Home app, tap "+" on
the upper right, and then follow prompts to add your
device.
Connecting with Mi Home/Xiaomi Home App
Connecting with Other Devices
Once successfully connecting the clock with the app, go to the plugin of Xiaomi
Temperature and Humidity Monitor Clock in the app, and select "Smart scenes". Follow
the instructions in the app to complete the smart connection with other devices.
Notes:
To achieve smart connection, the clock needs to work with devices featuring
Bluetooth gateway function. The gateway and relevant connection devices need to be
purchased separately. Please contact the official customer service for more
information.
The version of the app might have been updated, please follow the instructions
based on the current app version.
05
FC56B352
* The app is referred to as Xiaomi Home app in Europe (except for Russia). The name of the
app displayed on your device should be taken as the default.

Restoring Factory Settings
Cleaning & Maintenance
with some neutral detergent.
Do not submerge the ventilation holes into water.
sticker, so as to avoid damage to the wall or the clock.
This clock is not suitable for use in environments with temperatures below 0°C.
Please keep it away from harsh environments with high temperatures or high humidity.
This clock is designed to facilitate a healthy lifestyle, but should not be used as a
measuring tool.
Precautions
06
Gnd Reset
Remove the cover on the back of the
clock, and connect the “Reset” and the
“Gnd” metal points near any battery with
a metal conductive material for more
than 7 seconds when the clock is
working. After the clock restarts, the
factory settings are restored.

Troubleshooting
Specifications
Name: Xiaomi Temperature and Humidity Monitor Clock
Model: LYWSD02MMC
Materials: ABS + PC
Item Dimensions: 110 × 55 × 10.1 mm
Net Weight: 57 g
Issue Possible Cause Solution
The display
stops refreshing.
Time is inaccurate.
Temperature and
humidity are
inaccurate.
Calibrate the time
via Mi Home/Xiaomi
Home app.
Clear any blockage.
Place in a well-ventilated
location or use a tissue
paper to thoroughly dry out.
negative and positive sides
No calibration for an
extended period of time
Ventilation holes are blocked.
Water gets into the
ventilation holes.
07
. .
.

Rated Voltage: 3 V
Wireless Connectivity: Bluetooth®5.0 (Bluetooth Low Energy)
Time Resolution: 1 min
Temperature Range: 0°C to 60°C
Temperature Resolution: 0.1°C
Humidity Range: 0–99% RH
Humidity Resolution: 1% RH
Note：
The 8th to the 10th digits in the SN code on the product and the package represent the
factory code.
Note:
Illustrations of product, accessories, and user interface in the user manual are for
reference purposes only. Actual product and functions may vary due to product
enhancements.
08
Operation Frequency: 2402-2480 MHz
Maximum Output Power: 4 dBm
Hereby, Miaomiaoce Technology (Beijing) Co., Ltd. declares that the radio
equipment type LYWSD02MMC is in compliance with Directive 2014/53/EU.
The full text of the EU declaration of conformity is available at the following
internet address: http://www.mi.com/global/service/support/declaration.html
The Bluetooth word mark and logos are registered trademarks owned by Bluetooth
SIG, Inc. and any use of such marks by Xiaomi Inc. is under license. All product names,
trademarks and registered trademarks are property of their respective owners.

09
User Manual Version: 1.0
All products bearing this symbol are waste electrical and electronic equipment
(WEEE as in directive 2012/19/EU) which should not be mixed with unsorted
household waste. Instead, you should protect human health and the
environment by handing over your waste equipment to a designated collection
point for the recycling of waste electrical and electronic equipment, appointed by the
government or local authorities. Correct disposal and recycling will help prevent potential
negative consequences to the environment and human health. Please contact the installer
or local authorities for more information about the location as well as terms and conditions
of such collection points.
Manufactured for: Xiaomi Communications Co., Ltd.
Manufactured by: Miaomiaoce Technology (Beijing) Co., Ltd. (a Mi Ecosystem company)
Address: No. 1-Y1-06, 1F, Tower A, Innovation Building, No. 11 HEPINGLI East Street,
Dongcheng District, Beijing, China
For further information, please go to www.mi.com
Importer:
Beryko s.r.o.
Pod Vinicemi 931/2, 301 00 Plzeň
www.beryko.cz