GeoTuff GT520 Rotating Laser Level Incl Staff & TripodHigh precision electronic self levelling laser level, very easy to use with horizontal and vertical reference in any building application and 90 layout with plumb point positioning. The laser can also scan and give a chalk line for interior set out. Package includes; Instrument Laser receiver with mounting clamp bracket Ni MH rechargeable battery pack and alternative cartridge for 4 x C batteries Mains charger unit Batteries for receiver Red laser