1、Max / Min temperature and humidity display. 2、Display temperature in Celsius mode or Fahrenheit mode. 3、It can accurate measurement temperature and humidity information. 4、With this professional Hygrothermograph, you can know all the information about weather you want. 5、Perfect to use in office, bedroom, living room, incubators, brooders, cigar rooms and any other place that requires monitoring of temperature and humidity levels. Features: Max / Min temperature and humidity display. Display temperature in Celsius mode or Fahrenheit mode. It can accurate measurement temperature and humidity information. With this professional Hygrothermograph, you can know all the information about weather you want. Perfect to use in office, bedroom, living room, incubators, brooders, cigar rooms and any other place that requires monitoring of temperature and humidity levels. Specifications: Condition:100% Brand New Material: Plastic Color: Green, Red, Blue, Black(Optional) Size: Approx.9*9*2.6cm/3.5*3.5*1in Temperature Range : 0C~50C / 32F~122F Temperature Accuracy : +/-1C Humidity Range : 10%~99% Humidity Accuracy : +/-5% RH Power : 2*AAA 1.5V Batteries - Not Included Package List: 1*Thermometer Note: Because there was a manual measuring ,the size may has 1-2cm/inch difference. The color may be slight different due to the condition or light or different monitor.