The Bosch LR10 Rotary Laser Receiver is designed to increase red beam rotary laser detection up to 500 Ft., with a backlit LCD display for use in darker areas or outdoors. The display illuminated large, easy-to-see indicators, including up/down arrows, center line, accuracy level, battery level and audio signal. It also has dual-sided indicators, to provide easy visual readout on both sides of the receiver. The oversized laser detection area helps find the laser beam faster, making it easier to start setting level. The receiver provides convenience features such as built-in magnets for secure attachment to metal surfaces, an adjustable audio indicator, intuitive three-button keypad and ergonomic soft grip. Bosch Power Tools 500' Rotary Laser Receiver LR10