Xiaomi Wireless Smart Electric Digital Hygrometer Thermometer 2

Xiaomi Wireless Smart Electric Digital Hygrometer Thermometer 2

Xiaomi · LYWSD03MMC

Xiaomi Wireless Smart Electric Digital Hygrometer Thermometer 2 is a temperature and humidity device (model LYWSD03MMC) using Bluetooth. It integrates with Xiaomi Home / Mi Home.

Compatible with Mi Home

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Stone's Store

Aliexpress

$5.54

Free shipping to United States in 7-13 days

Checked 2026-08-18

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MI JIA Global Store

Aliexpress

$7.55

Includes $0.02 shipping to United States in 6-11 days

Checked 2026-08-15

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Stone's Store

Aliexpress

$7.65

Includes $1.99 shipping to United States

Checked 2026-08-19

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Shop1104910964 Store

Aliexpress

$8.67

Free shipping to United States in 7-13 days

Checked 2026-08-17

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XIAOMI YOUPIN LIFE Store

Aliexpress

$9.32

Free shipping to United States

Checked 2026-08-19

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Mi Fans Store Store

Aliexpress

$9.83

Includes $1.99 shipping to United States

Checked 2026-08-19

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Shop1104910964 Store

Aliexpress

$10.64

Includes $1.99 shipping to United States

Checked 2026-08-19

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Global Home Tools Store

Aliexpress

$11.70

Free shipping to United States in 6-11 days

Checked 2026-08-18

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Xiao Mi 3C Digital Store

Aliexpress

$12.74

Includes $3.23 shipping to United States

Checked 2026-08-19

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Mi Digital Electronics Store

Aliexpress

$12.78

Free shipping to United States

Checked 2026-08-19

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Xiaomi Smart-Technology Store

Aliexpress

$17.36

Free shipping to United States

Checked 2026-08-19

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Xiaomi Mijia Choice Store

Aliexpress

$17.40

Free shipping to United States

Checked 2026-08-19

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MI House Store

Aliexpress

$17.89

Free shipping to United States in 6-11 days

Checked 2026-08-15

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Xiaomi-001 Store

Aliexpress

$19.18

Free shipping to United States

Checked 2026-08-19

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Shop1105344894 Store

Aliexpress

$24.10

Free shipping to United States

Checked 2026-08-19

Banggood

$26.99

Free shipping to United States

Checked 2024-10-19

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Aerial Metropolis Store

Aliexpress

$77.21

Includes $55.69 shipping to United States

Checked 2026-08-19

Overview

Xiaomi Wireless Smart Electric Digital Hygrometer Thermometer 2 is a temperature and humidity device identified as model LYWSD03MMC. It is designed to participate in connected-home automations and app-based control.

Connectivity and use

The documented connectivity is Bluetooth. Setup and remote functions depend on the supported app, network and regional configuration for this product.

Xiaomi Home compatibility

The exact-product dossier explicitly describes Mi Home / Mijia app control.
The device is intended for environmental measurement and history/automation use; measurement ranges and sensor accuracy should be taken from the published Specifications rather than seller marketing claims.

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