Bosch LR Line Laser Receivers - Bosch 0601069700, This receiver from Bosch is an ideal companion for the professional tradesman, manufactured to a high standard and equipped with a host of excellent features, including the robust rubber-coated housing for indoor and outdoor ranges up to 150m (combined with GRL 300 HVG Professional rotation laser).Other features and benefits include:Dust and splash protection (IP65) Two measuring accuracy settings Universal bracket for mounting on measuring rods Visual and audible indication of green laser beam plane Top-mounted magnets for better fixing Three levels of speaker volume Magnets for ceiling applications Automatic shutdown after 5-8 minutes Bosch 0601069700 LR 1 G Receiver For Rotation Lasers (For GRL G Green Series)