EXTENDED RANGE: The receiever detects lines from Bosch GLL3-330CG or GLL3-330C up to 165 feet, the GLL3-300 up to 150 feet, GCL100-80CG or GCL100-80C and the GCL2-160 up to 82 feet. For best compatibility, ensure your laser is set to pulse mode. DURABLE: The receiver is IP54 rated to withstand rainy or dusty jobsite conditions. BACKLIT LCD DISPLAY: This features illuminates large, easy to see up/down arrows, center line, accuracy level, battery level and audio signal. DUAL-SIDED LED INDICATOR: The LED indicator provides easy visual readout on both sides of the receiver. ADJUSTABLE AUDIO INDICATOR: The receiver gives clear signal of on-grading positioning and adjusts to worksite noise levels. HEAVY-DUTY MAGNETS: The receiver can attach to metal surfaces. Advanced Line Laser Receiver design – extends the working range of select Bosch line laser tools to longer distances and outdoor conditions, plus provides audio indicator, an easy-to-use mounting bracket and robust magnets LASER COMPATIBILITY: The laser works with a variety of Bosch lasers: GCL 2-160, GLL3-300, GLL3-330C, GLL3-330CG, GCL100-80C, GCL100-80CG & GCL100-40G.