Category Archives: precision


Spectra Precision Laser Level Ll500 With Hr550 Receiver /clamp, User Guide & Case

Review Spectra Precision Laser LL500 Exterior Self Leveling

Unit c an be set up with multiple receivers. Spectra precision laser level ll500 with hr550 receiver /clamp, user guide & case this is a one-person leveling system designed for longer range exterior measurements. (500m) working diameter,’out-of-level’ alert, 4’D’ batteries (included), low battery indicator, & LED display.