Spectra Precision LL400 Laser Level Applications: Excavations Slopes on grade Leveling forms and footers Screeding concrete Driveways and ramps Machine control MSRP: $1,395.00 LL400 Features and Benefits: Increases productivity with fast setups, fewer controls, and automatic self leveling Unique lighthouse design withstands a 1.0m (3 ft) drop on concrete without breakage. The durable design reduces downtime due to drops and tripod tipovers. Temperature calibrated for high accuracy over wide temperature changes Single axis and manual slope modes to match known references. Slopes can be set up to 200 m (650 ft) away with the optional remote control. IP66 dust and water proof to withstand harsh jobsite conditions Flexible power options and minimal power costs due to long battery life Customizable to your needs with a choice of two receivers: HL700 or CR600 LL400 Base Package Includes: LL400 Laser Level HL700 Laserometer Rod Clamp Alakaline Batteries Case