Name: The Rolling Alarm Clock Size: 13*8.5*8.5cm Black color Battery: 4xaa (not included) < /p>1. The alarm clock continues to roll forward, place it in the corner of the bedside table outwards, it is not recommended to place it high. The alarm clock can roll on wooden floors and most carpets, but we do not recommend use on thick or fluffy carpets. 4. The alarm clock rolls in different directions for about 30 seconds until it finds a place to rest. The backlight flashes when the alarm clock rolls and rings. 5. Sometimes turn when the alarm hits the wall. 6. After driving, the alarm continues to beep - beep 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 in your bedside table, do not leave it on the floor. 8. Find the alarm and put it back in your bedside table, do not leave it on the floor. 9. When looking at the time at night, you can press any key to start the backlight for 3 seconds. 10. In case of low power warning, the clock flashes in advance. Warning that it's time to change the battery. Package includes: 1 alarm clock!!! With the concept of customer first, we provide you with round-the-clock customer service. No matter where you are or what problems you encounter, we will solve them for you as soon as possible to ensure that your shopping experience is worry-free.