Advantages of auto level:
1. More precise/accurate leveling can be done using these levels.
2. The telescope of this instrument needs only be approximately leveled over the tripod and then the compensating device automatically provides horizontal line of sight.
3. Leveling work can be speedily carried out using these levels.
4. Due to simplicity in leveling of instrument it reduces operational fatigue.
5. Clear and erect image.
6. Light weight and compact.