If you've been looking for a multi-functional Digital Hygrometer , then your search is over! That's because our multi-function Hygrometer Meter measure temperature and humidity, made of high-class plastic material, sturdy and practical, which has a long using time. And this Hygrometer Meter is suitable for greenhouse, wine cellar, warehouse, office, bedroom, etc. Features -Color:Black -Material:Plastic -Size:12.50X12.50X2.00cm/4.91X4.91X0.79in -Temperature Test Range: 0 degree centigrade to 70 degree centigrade. -Humidity Detection Range: 20% - . -Detection cycle :10 seconds. -Note: Battery is not included. (3 x AAA batteries) -Manufactured with electronic components and ABS material, you can keep it for a long term. -Compared with the current key products on the market, the household temperature and humidity meter is easier to read. -LCD digital and hygrometer can be used in incubators, feeding rooms, rooms, hospitals and other occasions. -Small design, easy to put this Hygrometer Meter on table-top. Measure indoor temperature and humidity. -Accurate temperature and humidity monitoring, allowing you to adjust the indoor environment at any time to avoid colds, multi-function , can display temperature, humidity, time and calendar Package list: 1 x Hygrometer Meter 1 1 x Instruction Book