1. Clock: The size of this digital alarm clock is 10.5cm9.3cm3.37cm / 4.13in3.66in1.33in, and the weight is 104g / 3.67oz. It is small in size, light in weight and easy to carry with you. You can put it under your pillow or take it with you when travelling. 2. Adjustable Vibration: This portable alarm clock has a vibration function. When it vibrates, it also flashes a light. You can adjust the vibration intensity according to your needs with three levels, 1/2/3. Compared to a sound alarm clock, a vibrating alarm clock makes less noise and is generally not disturbing to others. 3. LED Display: This electronic alarm clock has a digital LED display that makes it easy to read the time. You can also display the time in two different formats: 12/24 hour. When the battery is about to run out, a low battery icon flashes on the LED screen and the alarm beeps to remind you to change the battery. 4. Dual Alarm: This LED alarm clock has the ability to set two sets of vibrating alarms, which means that you can set two different alarm clocks according to your needs. You can put it under your pillow before you go to bed, and the two alarm clocks will make it more reassuring for you to stay in bed. Note: 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. Sold by-YJL official store