A free app for Android, by Latip Bisa.

A lighthouse is a structure that is used to help navigators find their way. The idea is that the structure will be placed in a location that is accessible to the navigator.

A typical configuration would include a base station, a teardrop-shaped structure that extends from the base station, and a lens that is attached to the top of the base station. The purpose of the teardrop-shaped structure is to extend the range of the light that is emitted by the lens.

The combination of the base station and the teardrop-shaped structure creates a rotating light source.

A typical application of a lighthouse is when there is a dangerous coastline or a sheltered beach. The danger would be that the navigator would not be able to see the coastline or the beach. A sheltered beach is a place where it is easy to surf.

Lighthouses are used by both commercial and private vessels. The most common type of vessel that uses a lighthouse is a yacht or a boat.