FEATURES: Projects 5 bright spot beams for accurate plumb and horizontal point transfer, Range: 30M ? Accuracy: +/- 3mm/15m, Self-Levelling Spot Beams and Horizontal Line ? Rear projecting horizontal line aids in additional levelling applications, Projects down Beam with Raised Clearance ? Provides dot visibility and alignment for wall track layout, Integrated Magnetic Pivoting Base with ?? Thread ? Front and rear mounted magnets allow flush attachment to metal track and steel, Full-Time Pulse Mode Allows Use with Detector ? Use of detector maintains full brightness for visibility, Locking Pendulum ? To help prevent damage to internal components. SPECIFICATIONS: Laser class: 2, Levelling Accuracy: 3mm/15m, Self-levelling range: 4 ?, Number of beams: 5+1, Indoor Visibility Range: 30 m, Power Source: 1mw, Tripod connection: yes, Weight (incl. battery): 716 g, Width: 600 mm, Length: 1400 mm, Height: 1350 mm