Spectra Precision LL300 Laser Level Medium-range, highly accurate leveling solutionThe Spectra Precision Laser LL300 features a rugged design with "hard hat" rotor protection that provides superior drop and weather protection. Built to withstand severe drops of up to 3 ft (1 m) directly onto concrete, or up to 5 ft (1.5 m) when pushed over on a tripod means less downtime and cost due to damage caused by accidental drop or tipover and lower repair costs over the life of the product.The LL300's fully automatic self-leveling capability provides fast, accurate setup. Rechargeable Ni-Cad battery pack or alkaline batteries keeps the unit working with no downtime due to power loss. Single cross-axis manual slope mode with cross-axis self-leveling allows grade matching for basic slope work using the RC601 (Sold Separately), while maintaining accuracy in the cross-slope.Features & Benefits:Increases productivity with fast setups, fewer mechanical parts, and automatic self-levelingMaintains performance even in rainy, dusty and other harsh job site and weather conditionsDurable design reduces downtime due to drops and tripod tipoversMinimizes power costs, increases reliability with choice of rechargeable or alkaline batteriesIncreases flexibility with remote control slope option using the RC601 (Sold Separately)Comes with choice of HR350 or CR600 receivers so you can choose the best option to suit your applicationApplications:Checking/setting elevations, concrete forms, footings, and foundations for small- and medium-sized jobsBasic slope work such as driveways and rampsExcavations, digging footings and septic tanks