Bosch LR 2 Professional Receiver for GLL Series Increased benefit with accessories Appropriate for use with the GLL 2-50, GLL 2-80 P, GLL 3-50 and GLL 3-80 P Professional Line Lasers. FEATURES Handy receiver for ranges of up to 50 m Alignment of the laser beam plane, visual (display and LEDs) and audible signals, for working in various lighting conditions Top-mounted magnets for better fixing Easily attached to a staff SPECIFICATION Range of: 5 – 50 m Power supply: 1 x 9 V 6LR61 Block Dust and splash protection: IP 54 Weight, approx.: 200 g Length: 74 mm Width: 41 mm Height: 150 mm Measuring accuracy (fine/rough): ± 1 mm/± 3 mm