1)With built-in diode, the clear laser spot can be seen up to 100 meters through eyepiece.
2)It is convenient to focus and adjust the laser brightness.
3)The laser device is integrated with telescope, resistant to dust, rain, and other harsh elements.
4)Laser plummet is available.
5)Wide range of application, for example, for setting out, the person placing the nail or stake can use the laser beam to help him align on the correct direction.