Product Name: Temperature and Humidity Meter_x000D_ Material: Abs+ Silicone_x000D_ Battery Type: Cr2032 Button Battery_x000D_ Battery Capacity: 210mah(Shipped with Built-In Battery) 1Maximum and Min Records: The thermometer can display the current highest or lowest temperature and humidity, just press key to switch the display. 2Two Temperature Units Switch: Press the temperature conversion key to select Celsius or Fahrenheit temperature display, which can be adjusted according to your use habits. 3With Magnets: With magnets on the back, the hygrometer can be used on the ice wall or directly on the table. It is made of premium ABS plastic and is durable. 4Air Comfort Indicator: The horizontal icon indicates air comfort and is ideal for monitoring the living conditions and health of the home. Large numbers with clear display for easy reading. 5Widely Used: Temperature and humidity meter is suitable for your house, bedroom, children's room, office, bathroom indoor environment, can also be used for incubation room, baby room and so on.1 x Thermometer 1 x Instructions