Function: This thermometer can give you accurate indoor humidity and temperature readings. Indicator: The level icons indicate the level, perfect for monitoring your family's living conditions and health. Clear reading: numbers for easy reading. CONVENIENT DESIGN: You can attach it to a refrigerator or place it on a table with hanging holes and back brackets. Application: suitable for office, bedroom, living room, bathroom, school, etc. Colour:white, cyan blue, pink, black Material:ABS+quality electronic components Size:4.3x4.3x2cm Package Contents: 4 * temperature and humidity meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.