360º Inclination sensor Height tracking Multiple measurement functions for increased versatility of applications: Distance, Area, Volume, Permanent, Min/Max, Add/Subtract, Stake-Out, Pythagoras (2 point), Pythagoras (3 point), Pythagoras (partial height) Battery run time delivers up to 5,000 measurements for continuous work and increased productivity Records history of 20 measurements for convenience The auto power-off function automatically shuts the device off for an increased run time performance Rubber over-mold for increased protection and durability Simplified user interface buttons and screen for convenience Backlight L.E.D. display for increased screen visibility Standard Equipment - Pouch, strap, 2x AAA batteries.