Name: The Rolling Alarm Clock Size: 13*8.5*8.5 cm Colour: Black Battery: 4xAA (not included) 1. The alarm clock moves forward all the time, place it in the corner of the bedside table outwards, it is not recommended to place it high. The alarm clock can run on wooden floors and most carpets, but we do not recommend using thick or heavy carpets. 4. The alarm clock runs in different directions for about 30 seconds until it finds a place to rest. The backlight flashes when the alarm sounds. 5. Sometimes swings when the alarm hits the wall. 6. After running, the alarm will continue to \"tuk-tuk\" for 8 minutes or until you get up and turn off the alarm. 7. The alarm language, combined with the usual alarm beep to find the alarm, then put it back on your bedside table, do not leave it on the floor. 8. Find the alarm clock and put it back on your bedside table, do not leave it on the floor. 9. When you look at the time at night, you can press any button to light up the backlight for 3 seconds. 10. When the power is low, the clock will flash in advance. Warning that it's time to change the battery. Package includes: 1 alarm clock!!!