The Bosch GRL500 HV 500m Outdoor Rotary Red Laser is the first rotation laser with theft protection for all levelling work. It features an alarm that is triggered if the GRL 500 HV is moved without the LR 50 Professional Remote Control Receiver during operation.

Advantages include: Simultaneous charging; a calibration reminder; a slope function so the user can enter slope values directly using the LR 50 professional keypad; line control; an anti-drift system that prevents levelling errors in the event of shocks or vibrations; sleep mode; relative height display and a centre line button that automatically aligns the laser beam with the centre of the receiver and measures the slope value.

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