The level tool has a green beam laser for enhanced visibility and range , The laser level for picture hanging is durable, over molded housing with a 1 meter drop rating , Patented integrated magnetic bracket , Full time pulse mode , Water and debris resistant with an IP54 rating , Can achieve up to a 300 ft. range when used with detector (DW0892CG), sold separately. , +/- 1/8-inch Accuracy at 30 ft.