Singular X- Base with Orion laser can be used for RTK purposes as well as mining and all construction surveys .It can cover up to 25 kilometers.The full set includes 1 Singular X-Base and 1 Orion ONE- Laser GNSS receiver,1 aluminum tripod,a tribrach and adapter,a fibre pole,a data logger with licensed software and a pole clamp.1 year non-drop warranty