The light effects are pleasant, can imitate the sunrise, the night light function is very practical for a child who does not sleep in complete darkness, there are also different colors to choose from to accompany the sleep. p > < p>Regarding the sound, there are 8 super cute and very sweet melodies, more than enough to gently wake you up, it's much more fun to get up than the usual beep-beep-beep!< / p> Its brightness is clearly visible during the day and turns off at night at the time you want, ideal for the child to fall asleep at night with a soft light that then turns off automatically, also ideal for small children prone to tendency/terror nightmares. With a temperature sensor, the setting is very easy, 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 the functions finished, / p> ATTENTION NG: This clock is mains powered only, the battery is only used to keep the time and does not operate the clock.