Robust and reliable ? ideal for outdoor useDesigned for outdoor use due to sturdy metal housing with dust and splash protection (IP54)Fast aperture for a sharp image of the targetCompensator lock for safe transportFEATURES:Levelling accuracy 1.6 mm ? 30 m ? Measuring accuracy of 1.6 mm/30 mDual levelling element ? Prevent errors due to dual levelling elementMagnification up to 32xWorking range 120 m ? Range up to max. 120 m