Sunday, December 30, 2012

What are timers (camera)?

My camera, a Nikon Coolpix S3300, has a 2-second and a 10-second timer. What does that mean? What does it mean?
Added (1). Also, when would I really need to use it?
Added (2). *What does it do? Sorry, just realized I said the same thing twice.
>>> What are timers (camera)?