... 80*40mm Features:100% Brand New. High QualityNew Laser Level Horizon Vertical Measure Tape 8FT AlignerHang shelves and cabinets, tiles ... A Straight Line Or Accurate Measurement.Use this Multipurpose Laser Level for hanging pictures, installing shelving, laying flooring, hanging ... by 3*AG13 button cell battery (included)keep the laser level away from water ,dust and sunlightSpecifications:Size : 18.5 ...