Features

• 1.5-inch LCD digital display.
• Hackable for use with ESPHome Thanks to Aaron Christophel
• Built-in Switzerland Sensirion accurate digital thermometer
• Very small footprint size, tough ABS eco-friendly material which can be easily placed everywhere.
• Emoticons directly remind you the comfort degree.
• Powered by coin cell battery which lasts more than 1 year (dependant on polling rate)
• BT 4.2 BLE
• Measure range: 0-60 Deg.C
• Temperature display resolution: 0.1Deg.C
• Humidity range: 0%- 99%RH
• Humidity display resolution:1% RH

Thanks to Aaron Christophel for the hack (  https://github.com/atc1441/ATC_MiThermometer)

Thanks to Quindor for clear and easy to follow instructions https://www.youtube.com/watch?v=K-HG7qs9hK0&feature=youtu.be