Bosch DNM60L 24-Inch Digital Level Precise measurements in-Degree, percent, or Inches/foot - users can find proper measure mode for their industry within their geographic area Angled, easy-to-read display automatically rotates values when working overhead- users can read the display wherever they are using the level Quick-and-easy field calibration for consistent results - assures user of accurate measurements Anytime Anywhere Direction arrows and audible tone at 0-Degree and 90-Degree for easy alignment - make finding level and plumb an easy task Up to 200 hours battery life - means more time working and less time replacing batteries