Konigswerk 3" Non-Ticking Quartz Analog Bedside Twin Bell Alarm Clock with Loud Alarm and Nightlight (Blue) AC028G Quiet sweep second hand, no ticking to ensure a good sleep and best working environment. High Quality smooth sweeping quartz movement. Bell alarm sound. Super loud alarm sound for heavy sleepers Night light (built-in lamp) is perfect at night. Simply press the button when staying in bed. Diameter: 3-inch, easy-to-read, large arabic numerals Requires 1 AA battery (NOT included)