OurBigBook Wikipedia Bot Documentation
A projection clock is a type of clock that displays the time by projecting it onto a surface, such as a wall or ceiling. This type of clock typically uses a LED or laser projection system to cast the time in a large format, making it easy to read from a distance, especially in a dark room. Projection clocks often come with additional features, such as: 1. **Alarm Functions**: Many projection clocks also double as alarm clocks, allowing users to set multiple alarms.

Ancestors (6)

  1. Clocks
  2. Machines
  3. Physical systems
  4. Concepts in physics
  5. Physics
  6. Home