✔Easy to use, light weight, easy to carry. ✔Accurately assess whether the item is horizontal/vertical. ✔5-foot Standard and metric measuring tape. ✔It is very suitable for installation of pictures, shelves, frames, towel poles, curtain poles, tiles, cabinets and so on. ✔Laser level instrument can measure whether the plane is uneven or hanging, etc. Laser level instrument can type a word line. Laser level instrument has horizontal beads, which can measure whether the horizontal plane is level or not.