Transforms GLM 80 and GLM 100 C laser distance measure (not included) into a digital level for more versatility ?Digital-Level Mode - Once GLM 80 and GLM 100 C is locked into R 60/ it automatically enters mode for accurate angle measurements ?High-Quality Aluminum Construction - For optimal accuracy including two bubble level vials for additional reference ?Only compatible with the GLM 80 or GLM 100 C laser distance measure Contents Level Attachment/ Carrying Case Height 1.4" Length 24" Material Aluminum Warranty 2 Years Weight 1.5 lb Width 2.299999"<br />