EASY-TO-USE: Handy and compact red and green beam receiver for ranges of up to 50 m. The large 8 cm reception area provides a fast detection of the laser line AUDIBLE AND VISUAL SIGNALS: Alignment of the laser beam plane, visual (display and LEDs) and audible signals, for working in various lighting conditions ROBUST: Highly robust with IP54 protection against dust and splash water. COMPATIBLE WITH: GCL 2-50, GCL 2-50 G, GCL 2-50 C, GCL 2-50 CG, GLL 3-80, GLL 3-80 C, GLL 3-80 G, GLL 3-80 CG ITEMS INCLUDED: LR 7, holder for LR 6/7, 2 x AA batteries, protective bag, Weight: 0.75839018128 pounds, Manufacturer: Bosch