The Bosch GRL400H Self-Levelling Rotary Laser has a long working Range of 1300 ft. with Accuracy up to ±3/32" at 100 ft. — Ideal for exterior applications. It has a robust design with a Glass-Enclosed Cage — for better protection & water/dust resistance (IP56). It has fast horizontal electronic self-levelling with a disturbance monitor that ensures consistent levelling accuracy on the jobsite. It
Includes:: a Rotary Laser Receiver that aids in detection at greater distances & two large, Easy to Grip Carrying Handles, a carrying case & D battery.