quantity for in door or outdoor use: you will receive 6 pieces indoor thermometers with the use of a 1.57 inch LCD display and a bold digital Fahrenheit display; This humidity meter displays the temperature in Fahrenheit, quantity to use, also can be placed both or outdoors Good measuring accuracy: temperature measurement range of our temperature sensor is from -58 degrees Fahrenheit to -158 degrees Fahrenheit; Humidity measurement range is from 10 to 99 percent RH (measured every 10 seconds); Humidity measurement accuracy: positive and negative 5 percent RH; With nice accuracy, fast refresh, thermometer is practical and convenient to use Easy to read: room thermometer is equipped with a built in emoticon , also an indicator of ; When the emoticon is a smiling face, it indicates the most suitable temperature and humidity, and there are no complicated function buttons; The beautiful white front panel has a clear LCD display with bold numbers, so the digital thermometer can be easily read even from a distance Long battery life: with built in CR2032 battery (included) for indoor thermometer and hygrometer, this humidity sensor has a service life than ordinary LR44 button batteries, ensuring you a stronger battery life, also humidity monitor provides you with a nice using experience Numerous occasions: there are a of installation for humidity gauge, bracket type, wall type, and paste type; With double sided tape and hanging holes on the back, you can paste or place these digital home thermometers anywhere you like, such as refrigerator, counter, living room, baby room, kitchen, basement, office, greenhouse, guitar room, office, garden and so on Features: Novel gift: With classic white color, this temperature gauge is modern and beautiful, which can be acted as a novel gift to people you love, family, friend, classmate, neighbor and so on. People will and surprised to receive this digital thermometer . proper size for easy carrying, also you can take weather thermometer to any wherever you want effortlessly. size: 43x43x13mm Material:plastic colour:White Package Contents: 6 x temperature humidity monitor Only the above package content, other products are not included. Note: Light 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.