LR6 Bosch 165ft Red-Beam Line Laser Receiver LR6 Bosch 165ft Red-Beam Line Laser Receiver features a further line with precision that makes line laser detection possible at distances at 165ft and it extends to operation outdoors, in bright-light conditions or catches beams midair when there is no surface to see the beam on. LR6 Bosch 165ft Red-Beam Line Laser Receiver features dual-sided LED arrow indicators which make the receiver more flexible and a volume-adjustable audio signal that gives clear mounting options with built-in heavy magnets that securely attach to metal surfaces, allowing an easy setup on suspended-ceiling installations. LR6 Bosch 165ft Red-Beam Line Laser Receiver includes a click-in mounting bracket, especially on a leveling rod.