Topcon Positioning System’s (TPS) new expanded series of high-quality, affordable machine control laser sensors the LS-B100, LS-B110, LS-B110W and the RD-100W – offer modern new designs and increased functionality.Replacing the LS-B2 and B4 models, the new series provides the tightest accuracy and largest working range. The LS-B100 series is ideal for dozers, box blades, excavators & backhoes. The LS-B100 series receivers’ unique features include on-grade matching and wireless capability. A key feature of the LS-B100 sensor series is each unit is easy to move from machine to machine. If all you need is an Indicate Only style of sensor, then the LS-B100 is the receiver of choice. The 110/110W models can be an Indicate sensor or run as an Automatic machine control system, when combined with a Topcon control box.