1. Radio 7 Alarm Tones: When you press the 'radio' button in the upper right corner to turn it on, it will be an FM radio. Press and hold the 'FM Radio' button for 2 seconds, it will automatically start and search all stations with a frequency of 76 108MHz. You can choose 7 types of alarm sounds to wake up, e.g. birdsong, waves, streams, beeps, wind chimes, light music and piano music. There are 16 adjustable volume levels. 2. Design: This digital sleep support alarm clock is suitable for everyone, especially those with deep sleep and children. 30 minutes before the alarm time, the sunrise simulation light with 7 nature sounds is gradually switched on from 10% brightness to . You can set the process to 20 minutes or 10 minutes. Nature awakens you. 3. Support Dual Alarm Clock Nap: Because you may need to set different alarm clocks for your family members, two alarm clocks are designed. In addition, the nap function is designed for those who need an extra 9 minutes to start a day. Simply press the 'nap' button on the top of the watch and you can sleep for nine more minutes. You can take up to 5 naps. 4. 7 COLOR LAMP 20 BRIGHTNESS ADJUSTABLE: There are 7 kinds of color changing lamps to choose from, including blue, indigo, purple, red, orange, yellow and green. The brightness of the LED time display of level 3 and the lighting brightness of level 20 are adjustable.