18 Melodies AlarmSmall alarm clock(4.53"W x 3.66"H) comes with 18 melodies to choose from. Alarm Ringtone includes elegant classical music, natural bird sounds & traditional beep ringtones, which can easily meet the needs of children. Volume AdjustableBedside alarm clock supports 5-level volume adjustment. The maximum sound can be up to 120 decibels, enough to wake up the child without getting up late. Dimmable Night LightA ring-shaped night light encircles a clear LED display screen. Turn on the night light by touching the top switch, 0%-100% full range brightness dimmer. Warm and soft lighting without dazzling is very suitable for accompanying children to sleep. Rechargeable Alarm ClockBuilt-in non-detachable battery, can be recycled charging use. Even if the alarm clock is off, the battery still has remaining power for timed work. It still displays the time correctly without resetting after charging. The clock itself is charged by an adapter (5V 1A/2A output),