Features ACCURATE PERFORMANCE This thermometer is well made, has a delicate appearance and accurate measurements, and provides you with the accurate data. Multifunctional: the thermometer can not only display temperature and humidity, but also display the calendar, time and function to set an alarm clock. Wide Application This thermometer is suitable for refrigerators, aquariums, indoor and outdoor use, etc. Two temperatures on the same screen: the indoor and outdoor temperatures are displayed on the same screen, which is convenient for comparison and recording. Plastic material: using high quality plastic material, the thermometer has impact resistance and scratch resistance. Specification: Item Type: Humidity Thermometer Material: plastic. Battery type: AAA battery x 1. Size: approx. 100 x 93 x 23 mm / 3.9 x 3.7 x 0.9 inches. Package list: 1 x humidity thermometer. Package List 1 x Humidity Thermometer