This is a small Digital , made of and safe materials, durable and can be used for a long time. It can test indoor temperature and humidity. Compared with the key products on the market, the household temperature and humidity meter is easier to read. Features - Color: White -Material:ABS and electronic components - Size: 9.00X8.50X2.00cm/3.54X3.34X0.79in -Temperature range: 0 degree centigrade to 70 degree centigrade. -Humidity range: 20% to . -Detection cycle :10 seconds. -Note: Battery is not included. (2 x AAA batteries) -Manufactured with electronic components and ABS material, you can keep it for a long term. -Compared with the 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 it 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