Self-levelling rotating laser for horizontal and vertical levelling for both indoor and outdoor use. 360° line projection, perfect for patio constructions, laying ground posts, etc. Vertical levelling for putting up ceiling fixtures, etc. Adjustable and positionable scan-angle. Laser receiver with audio and LED indicators that simplify levelling at greater distances. Laser reception range: 100 m. Laser class II, 635 nm. Accuracy: ± 0.4 mm/m. Battery: 4 x AA/LR06 (included). Universal mount for levelling staffs. Soft carry case.