Bedside Super Loud Retro Twin Bell Analog 4" Alarm Clock with Backlight Designed for Heavy Sleeper, Classic White Face with Black Number - Modern White Simple retro look with white metal frame and glass front Easy-to-read black Arabic numerals against white clock face Non-ticking, quiet and smooth sweeping movement of clock hands With backlight and twin bell alarm function Measures 4-inch diameter and requires 1 AA battery (NOT included)