GRL 300 HVG rotating laser. Excellent visibility for indoor applications. Green laser line offers up to four times better visibility compared to a red line. Quickly adjustable in horizontal and vertical use through automatic self-levelling of 8% (± 5°). The switchable shock warning function prevents levelling errors in case of shocks or vibrations. Included in delivery: battery compartment, workman's case, RC1 Professional remote control, WM 4 Professional universal holder, 2x LR20 1.5V battery, 1x 1.5V LR6 battery.