Laser receiver that can detect red beam cross laser lines within a 50m range. Used for alignment of the laser beam plane. Visual and audible signals indicate when beam is located in a variety of lighting conditions. 50mmm reception area for fast detection of laser line. Top-mounted magnets for better fixing to surfaces. Compatible with Bosch Combi and Line Lasers Detects Lasers up to 50m Accurate to 3mm @ 50m Detects Red Lasers Suitable for Indoor & Outdoor Use Large Reception Area Compatible with Bosch Combi and Line Lasers Detects Lasers up to 50m Accurate to 3mm @ 50m Detects Red Lasers Suitable for Indoor & Outdoor Use Large Reception Area