2 in 1 indoor/outdoor LCD digital thermometer and hygrometer, compact and stylish design, easy to carry and install, you can hang it on the wall or stand on the desk Large LCD display: Switchable temperature display lets you see the data clearly Multiple functions, can be used to check maximum or minimum indoor/outdoor temperature and humidity at the same time. Memory or clear the last minimum and maximum temperature or humidity Indoor/Outdoor LCD digital thermometer and hygrometer display, you can know the room temperature and humidity clearly. Additionally, this unit will also measure humidity This multi-function digital thermometer not only measures internal temperature, but also an external sensor that can be placed outside for outdoor temperatures. Ideal for home, office or greenhouse. Key performance characteristics: Measurement range: Indoor temperature: -10+50 (-14+122) Outdoor: -50~70 Accuracy: Temperature: 1.0 Humidity: 20%RH-99%RH Humidity Accuracy: 5% Function: 1. Temperature/humidity display 2. Celsius/Fahrenheit switch display 3. Simultaneous indoor/outdoor temperature display 4. Maximum and minimum memory function 5. Ultra-low power consumption: 1.5V battery, 1 x AA battery (excluding battery) 6. Body size: 150 88 24mm