The LS100D from Topcon is a multifunctional receiver.
Additional functions are:
Display of the height difference between laser level and zero line in mm
2 different zero positions selectable
the size of the direction arrows is proportional to the height difference
Adjustable volume
Hold function for holding the display values
Automatic shutdown
Display of the battery life on the display
Spirit level for easy adjustment
Requires only 1 AA battery
