In order to get clear enough line alignment at much longer distance than formal inner room and close distance, it would be quite efficient solution to make use of 50mW green line laser module. It is projecting high sensitivity green laser light from 532nm green DPSS laser part, on basis of quite low laser beam divergence and special beam mode of TEM00, it keeps work with highly fine and straight green reference line projection in distance easily. In various industrial laser line alignment work fields, 50mW green line laser module allows easy selection of glass coated lens or separate crystal lens. It is keeping work with high linear quality and highly straight green line projection. Within wide range lien length of 0.5 meter to 6 meters, after correct selection of optic lens degree and proper adjustment of laser beam focus, this laser line generator makes highly precise line projection easily. This compact structure green laser device enables quite easy installation onto any machine or device, within freely installed distance of 3 meters, it makes the most satisfied line alignment result for all great distance and great distance occasions effectively. Technical data: Item: Berlinlasers 50mW green line laser module Wavelength: 532nm Laser class: IIIb Optic lens: 10-110 degree glass coated lens, separate crystal lens Adjustable focus: yes Line length: 0.5 meter to 6 meters Line thickness: 0.3mm@10cm, 1mm-2mm@2 meters Applications: laser cutting machine, textile garment processing, sand milling, industrial line aligning works etc http://www.berlinlasers.com/532nm-green-line-laser-module