16 Lines Laser Level Self Leveling 4×360°Green Cross Line Laser Tool for Construction and Picture Hanging, Remote Controller, Professional Magnetic Rotating Stand, Reachargable Battery Included(Blue). Multifunctional 4D 360°Laser Level:laser level 360 self leveling with Two 360° horizontal and two 360° vertical planes enable users to cover the floor, wall, ceiling all around the room. It enables complete coverage of the entire room and complete the visualize square layout.