... , Vertical line, Cross line Ground level line, , Water surface, 2)This laser leveler can be used for: Plotting Tiles, Mounting Light Frames, Installing ... , Painting, Carpentry, etc. 3) This item is featured with Tripod Leveler with adjustable Tripod Rotary Base - you can adjust its angle ... 7)Voltage: 4.5V (1.5 x 3 cell batteries) laser level with tripod