Class 2 laser, wave length (line): 653nm, point: 650nm. Red Laser line width: 100LUX 3mm @ 3m; red laser point diameter 100LUX 15mm @ 20m. Working range: Line 3m, point 20m. 2 x spirit level vials: 1 x 90 degrees and 1 x 180 degrees. Supplied with adjustable mounting bracket. CE, UKCA & RoHS compliant. For DIY and Automotive use. For Automotive, use with Gunson Trakrite Camber Bar, Part No. 77137, for checking front to back initial wheel alignment, alignment of body mouldings and stickers, etc.