Specifications: Item: Alarm clock Material: ABS Size: 8.5*4cm Color: Black, White Package includes: 1 * Alarm clock 1* Instruction manual Note: 1. Differences due to light and display, the color of the item may be slightly different images. 2. Please allow 1-2cm differs due to manual measurement. How to Set the Alarm: 1. Insert the AA battery and turn the rotary face (alarm switch) counterclockwise. 2. Adjust the Time Buttonto the time you want it to alarm. Then rotate the Alarm Button to the place where the alarm needle coincide with the hour needle. Then you can hear a "di" sound and the alarm clock will ring. 3. Adjust the Time button to the current right time. Done. 4. If you don't need alarm function, you can turn the rotary face (alarm switch) clockwise. The stylish look and multiple functions make it suitable as a gift for students.