SELF-LEVELLING RANGE: +/- 4º
ACCURACY: +/- 0,3 mm / m
LEVELLING: AUTOMATIC
OPERATING RANGE ( DEPENDING ON BRIGHTNESS OF AREA ): 20 m
LASER CLASS: 2
POWER SUPPLY: 2 ALKALINE BATTERIES 1,5 V ( TYPE AA , LR6 )
OPERATING TIME: 15 h
PROTECTION CLASS: IP54