After standing for 5 seconds, the alarm turns off, preventing disturbances. Volume is fixed. Insert three AAA batteries to operate the alarm (batteries not included). You can connect to a computer via USB cable to play your favorite music. Suitable for office workers and students. Modern design complements any type of room decor. The LED display shows the time when you step on it and functions as a night light, turning off after 20 seconds. Type: Alarm Clock Display Type: LED with numbers Movement Type: Electronics Thickness: 10mm Applicable: Office / Study Room / Bedroom Color: Cream white Material: ABS Size: 39 x 36 x 2cm Package Contents: 1 x Alarm Clock Only the above package content, other products are not included. Note: Light and different displays may cause the item's color to vary slightly from the actual product. Measurement error allowed is +/- 1-3cm.