Bosch Three Plane 360 Degree Leveling and Alignment Laser with Line Laser Receiver GLL 3-80 LR2 VERSATILE: The Bosch GLL 3-80 offers one 360 degree horizontal plane and two 360 degree vertical planes for level and align/plumb applications SELF LEVELING: With Boschs Smart Pendulum System the alignment laser self levels and indicates out-of-level condition and locks when switched off. EXTENDABLE: With the included Bosch LR2 Line Laser Receiver and Boschs Pulse Laser Receiver Mode, users can extend the alignment by up to 265 feet in bright-light conditions CONVENIENT: The GLL 3-80 allows the user to activate manual mode to lock lines for use at any angle. Users can also employ the GLL 3-80 to set right angles for square. EASY SET-UP: Setup of the laser is simple and safe and transporting is secure. The GLL 3-80 has a secure transport lock that protects the pendulum when the unit is switched off Class II laser product, 1mW power output One 360 degree Horizontal Plane and Two 360 degree Vertical Planes - For level and align/plumb applications Smart Pendulum System - Self levels and indicates out-of-level condition; locks when switched off Pulse Laser Receiver Mode - For use with LR2 laser receiver at up to 265 feet in bright-light conditions Manual Mode - Locks lines for use at any angle 90 degree horizontal and vertical bright red laser layout lines and electronic self-leveling Class IIa laser product, 1mW power output