Designed for use where a constant level or repeat level measurements are required. Applications include alignment of windows, dado rails, kitchen units, stairs, outdoor levelling etc. Class 2 laser projects a horizontal, vertical or cross beam lines on surfaces. Accuracy 0.5mm per 1M = 0.029° within the operating distance of 3-8M. Self-levelling range ±6°. Supplied with heavy duty adjustable tripod (max. height 1.18M), rotating laser enhancement glasses and three AAA batteries. Comprehensive instruction manual included. Packed in blow mould carrying case with display sleeve.