Features: Can be used in your home, office and more Small size, simple structure, easy to operate. Bedside wake up alarm, gently wake you up in the morning. USB DC power cable or 3xAAA batteries power-supply.(Batteries are NOT included) Multifunctional, can be used to detect moisture and temperature, come with calendar and alarm. Package Includes: 1x Clock 1x Power Cable Specifications: Material: Plastic Temperature Range: 0-50(32-122) Humidity Range: 20%-99% Size: Approx. 15x5.3x3cm/5.91x2.09x1.18in note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.