Mini LCD Thermometer Hygrometer Digital Indoor Temperature Humidity Portable with High Precision -50~70 10%~99%RH3pcs Reliable Accuracy: The measurable temperature range: -50 ~+70 (-58 F~+158 F), temperature measurement accuracy: 1.0 ( 1.8 F), temperature resolution: 0.1 (0.2 F) ). Measurable humidity range: 10%RH~99%RH, humidity measurement accuracy: 5% RH, humidity resolution: 1% RH. Lightweight Design: The LCD panel display can display the numbers clearly and it is easy to read even from a long distance. It is small and lightweight, which saves space and is easy to carry. Air indicator: The smiling face can accurately reflect the comfort of humidity and temperature at home, help you observe the changes in temperature and humidity in the house, it is an ideal choice for life. Easy to install: It can be placed on a table or shelf, or attached to the wall with wall stickers, or threaded through the hanging hole of the thermometer and hygrometer and then hung on a nail. (Note: The product does not contain fine lines). Wide application: The thermometer hygrometer can be used for home, office, car, laboratory, aquaculture, etc. Can be used with humidifiers, heaters, thermostats and air conditioners, etc.