This is a small Digital , made of and 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, and this Hygrometer Meter is your . Features - Color: White -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 , durable and practical for long term use. -Suitable for kids room, living room, kitchen, office, basement, bedroom, kindergarten, etc. -Accurately measure temperature and humidity, with small errors, you can read the numbers easily. -Large display screen, easy to read. The measuring Digital won't take up much more space. -Proper size, lightweight, it is easy to carry. High precision numbers, with small error. Package list: 1 x Hygrometer Meter 1 1 x Instruction Book