It accurately tells you indoor temperature/humidity and outdoor temperature, also with clock function. Its design is compact which can be placed on flat or hanging on the wall, easy and convenience to use. It is made of high quality ABS material which is durable and accurate. The length is 10.5cm, the width is 9.8cm and the height is 2cm. The digital hygrometer thermometer is perfect for humidors, garden, cellar, fridge, closet. Item Name: Thermometer Material:ABS Batteries: 1 x AAA Battery (Not Included) Size:10.5cmx9.8cmx2cm/4.13inx3.86inx0.79in Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Humidity Temperature Meter