When line measuring work is processing under current industrial and high tech work fields, not easy to reach with simple line printing or line drawing works, it is an easy job to apply a Berlinlasers 532nm green line laser module. It emits the most visible green laser beam and also gets the lowest laser beam divergence, it is just working with highly fine and straight green line alignment onto different working surfaces. Owing to the use of an external AC/DC adapter, selecting 5V, 9V 1000mA DC power source, this green line laser module is able to work with highly bright and visible green laser beam and green line alignment at various work distances and lighting occasions. In order to make clear and fine enough line alignment, this laser line generator should only be selecting with correct glass coated lens. Only if it makes proper adjustment of laser beam focus and green line projecting direction correctly, it makes sure of the best line alignment for all precise device manufacturing works effectively. Technical data: Item: Berlinlasers 532nm green line laser module Laser class: IIIb Optic lens: 10-110 degree glass coated lens Adjustable focus: yes Power source: 5V, 9V 1000mA DC power supply Applications: laser cutting, sand milling, lumber machine, lumber machine, scientific research work etc http://www.berlinlasers.com/532nm-green-line-laser-module