Feature: 1. Temperature and Humidity Display: The alarm clock has a built in temperature and humidity sensor, which can monitor in real time, taking care of the health of you and your family. 2. Battery: Powered by 1 CR2032 battery (not included), can work without connecting the charging cable. 3. Portable: Practical features for daily use, suitable for travel and outdoor use, convenient and fast. 4. Multipurpose: There is a hanging hole and 2 retractable brackets on the back of the electronic clock. It can be placed on the desktop as a desk clock, or hung on the wall as a wall clock. 5. Gifts: Great gifts for Christmas, New Years or birthdays, for kids or seniors, boys or girls, friends or family. Specification: Item Type: Digital Alarm Clock Product Material: ABS Product Size: Approx.150 x 75 x 14mm / 5.9 x 3 x 0.6in Temperature Measurement Range: 0~60℃ Humidity Measurement Range: 20%-99% Battery Parameters: 1 x CR2032 Battery (Battery Not Included) Scope Of Application: Home, Office, Restaurant, Etc. Weight: Approx.109g / 3.8oz. Package List: 1 x Wall Clock1 x User Manual