This is a high quality 2-axis analog joystick module.
It can be used to sense movements in 2 directions. It also has a inbuilt switch which can be activated by pressing the stick.
The joystick contains two potentiometers of resistance 10K, each sensing movement in a one axis. As the stick is moved the resistance of the resistance varies. Hence, it can be easily interfaced to any microcontroller with ADC, with only a few lines of code.
This joystick is perfect for making classy interfaces, robot remotes, airplane remotes, games, etc.