Not the same as a formally used laser dot aligning tool, Berlinlasers red laser line generator is just being made with focused beam, without adjustable beam focus design. however, according to quite easy screw of laser beam aperture, high intensity red laser beam is just converting into a super fine red reference line, and then obtaining highly accurate and precise line alignment on various targeting surfaces effectively.
This red laser line generator gets quite nice equipment with qualified glass coated lens with wide range lens degree from 10 degree to 110 degree. The desired red laser line is available with different line length from 0.5 meter to 6 meters, and also keeping high level of line straightness and good line fineness. This red laser module is just used as an accessory part of other machine or device, getting super clear line instruction for all kinds of industrial and high tech laser line use fields, including laser cutting, textile garment processing, military targeting, and laser medical treatment device etc.
http://www.berlinlasers.com/650nm-red-laser-line-generator