The item is a compact 3-in- & hygrometer which can work both indoors and out, and is an easy and accurate way of ensuring you are in the most comfortable surroundings while relaxing or your working temperatures are accurate. The large easy-to-read screen displays both the humidity and of the environment and can be changed from Fahrenheit to Celsius – or vice verse - by the flick of a . Besides, it has a clock & date automatic exchanging function. It is a wonderful gadget for the home, garage, greenhouse or workshop. Features - Model: -908. - Housing material: hard plastic. - and LCD Screen Indoor & Outdoor Digital Hygrometer. - Large LCD screen simultaneously showing indoor & outdoor and indoor humidity. - Clock & date automatic exchanging function. - 2 modes of time display: 12 hours / . - display function. - Reads in both Celsius and Fahrenheit - Recording Max / Min and humidity. - It is powered by 1 * 1.5V AAA battery (not included). - Come with a back stand and hanging hole at back side, for easy to install on the wall. Specifications - Indoor measurement range: -10 degree centigrade~50 degree centigrade (14 fahrenheit scale~122 fahrenheit scale) - Outdoor measurement range: -50 degree centigrade~70 degree centigrade (-5 scale~15 scale) - Resolution: 0.1 degree centigrade /0.1 fahrenheit scale. - Humidity resolution: 1% RH. - Humidity range: indoor 10%~ RH. - : ±1 degree centigrade(1. scale) - Humidity accuracy: ±5% (40%--80%) Package list: 1 * -908 LCD Screen Indoor & Outdoor Digital Hygrometer with Clock 1 * Cable 1 * English User Manual