Topcon RL H5A Self Leveling Horizontal Rotary Laser Level 800m Range, High Accuracy, Long Battery Life Construction & Grading nm hvac ventilation 4 hp Voltage 100–120 V 4 hp Voltage 100–120 V Frequency 50–60 Hz Phases 1 ph Blade Diameter 14 in Cutting Depth (Max) 5 in (approx be distracted by other odors Versatile Accessories: Includes LS 80L or LS 100D sensor Category Details General RL H5A Next Generation Laser Technology Electronic Self Leveling Optical System Horizontal and slope functions Performance High accuracy for construction leveling Range Up to 800 m (diameter) Accuracy ±10 Arc seconds Self Leveling Range ±5 Degrees Durability Built to withstand harsh environments Rating IP66 – Dust and water resistant Power and Battery Efficient and long lasting battery options Battery Type Alkaline or Rechargeable NiMH Battery Life 100 hours (alkaline)