The light effects are pleasant, can light up by imitating the sunrise, the night light function is very practical for a child who does not sleep in total darkness, there are also different colors to choose from to accompany sleep. As for sounds, there are 8 melodies that are super cute and very soft, more than enough to gently wake you from sleep, it's much more fun to get up than the usual beep-beep-beeps! Its brightness is clearly visible during the day and turns off according to the time you want at night, perfect for the child to fall asleep with a soft light at night that then turns off automatically, too good for small children who are prone to nightmares/terrors. With a temperature probe, the adjustment is quite easy to do, the display is perfect even in the middle of the day, the alarm clock has a safety lock function to prevent children from accidentally changing set functions. NOTE: this clock only works on mains power, the battery is only used to save the time but does not allow the clock to operate.