Quartz movement, silent without annoying tick sound, providing quiet sleeping and working environment.The two bells provide a tight and loud enough sound to wake you up in the morning. No matter if you are a heavy sleeper, have teen kids who have difficulty waking up or suffer from hearing impairment.Unlike modern digital alarm clocks, this one has only four buttons: Two dials to set time and alarm, one switch to turn on/off alarm and the NIGHTLIGHT button to help you to know time at night.Large 3D displaying numbers make the time watching easily, even for people with limited vision capabilities.Retro style with candy color, good choice for room decoration, perfect as a present, especially for children, teens and seniors. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.