The Spectra Precision LL500 is a rugged leveling system that is apt for longer range measurements. This Trimble automatic level not only reduces the requirement of multiple setups on the job site, but also increases the productivity, thanks to its 500 meters working diameter. With an integrated "out-of-level" shut-off, this Trimble leveling system offers great accuracy and cuts down on the errors. The "spotting" beam of the Spectra Precision LL500 allows you to quickly find the on-grade position. This Trimble automatic level offers great accuracy and stability in any temperature changes. With the alkaline or rechargeable batteries, this Trimble leveling system works for longer time and does not affect your work even without power. The Spectra Precision LL500 comes with HL700 or CR600 receivers to suit with your application