Laitz Accurate hand-held laser distance meter Designed for indoors application. Visible laser spot reduce the load of operators. Shortcut keys make measurement fast and easier. Innovative design let it be able to put into pocket. Multi-functions make it have perfect experance. Illumination display let measuring readings legibly. 12-month gurantee Technical Parameters Measuring range: 0.05 ~ 50/70/100 m Measuring accuracy: +/-2 mm Measuring frequency: 0.1 ~ 4s Measuring unit: m, ft, in, 00'00" Laser type: 640-660nm,