[7 Colorful Night Lights] Multi-color night lights can be used as mood lights or screen backlights to see the time of night clearly. It is a good training for kids to sleep, teach kids when to go to bed and get up adjustable backlight. Moreover, you can set the alarm by selecting 11 different natural sounds and 7 colors of light. [11 ringtone options] 11 different ringtones are available, 1 - 4 natural sounds: waves, bubbles, fights, birds. 5 is the cycle of the first four sounds. 6 - 10 is the world's classical music, the last 11 is 6 - 10. [other functions] countdown function (00: 00: 00 - 23: 59: 59 hours). A dynamic projection of the colorful starry sky to the rhythm of the music. conversion function - in time mode, press the "up" key to perform 12 / 24 hour conversion; Press the "down" key to change from Fahrenheit to Celsius