Bluetooth® eInk Display Clock with Temperature Humidity Sensor - LYWSD02

The Bluetooth® eInk Display Clock with Temperature Humidity Sensor - LYWSD02 is a compact and stylish device designed to monitor room temperature and humidity with ease. Its durable ABS shell and medium-sized form factor (110mm x 55mm) make it perfect for any room. The front features a 3.5" x 1.25" (87mm x 32mm) eInk display that clearly shows time, temperature, and humidity.

This device works with the Mijia "Mi Home" App for iOS and Android, transmitting data over Bluetooth® Low Energy up to 10 meters. Note that the app may require your phone region to be set to China Mainland.

Ideal for home automation and sensing projects, the sensor supports two modes—advertising mode with encrypted data and BLE device connection with unencrypted characteristic data, making it compatible with ESPHome and Home Assistant.

Set the time using a web Bluetooth page for timezone adjustment. The package includes 2 pre-installed CR2032 coin cell batteries, a magnet, and adhesive stickers for versatile mounting options.

• Compact and durable ABS shell
• 3.5" x 1.25" eInk display
• Bluetooth® 4.0, Bluetooth® Low Energy connectivity
• Compatible with Mijia "Mi Home" app (phone region may need to be China Mainland)
• Supports ESPHome and Home Assistant integration
• Includes batteries, magnet, and adhesive stickers for mounting