Number of batteries 1 lithium-ion - included Are batteries included? yes About this item ✅ Gift Alarm Clock for Kids: Newly designed and stylish alarm clock for student kids. Useful Multi-Function: Night light timer, 2 alarms, countdown, snooze, voice control, sleep training, 6 music and 5 volume adjustable, work quietly, provide you and your kids with a peaceful sleeping environment. It is also a good partner for students. ✅ Alarm timer and countdown function: warm night light to set when to turn off the light to help you or your child who is afraid of the dark , to fall asleep. Specially designed timer function, 1-59 minutes countdown function is suitable for many occasions: such as: students doing homework, children sleeping, cooking and baking, etc. ✅ Sleep Training and Snooze Function: The screen brightness can be adjusted to 3 levels to adapt to different environments. The brightness of the time display can be adjusted according to the time of day and night, thus protecting your