The 200mW 532nm mid-open focus green laser pointer pen is tiny and absolutely very attractive. It can be brought anywhere.  Everybody knows that this is one of the hottest gadgets in town. The 200mw green laser pointer pen is open at middle and it is very easy to use. Simply turn the front lens clockwise and the device will any solid surface such as wall, presentation charts and projection monitor with green laser light beam. This astronomy green laser pointer pen is able to produce endless and extreme pure green rays in the dark. It consumes low power but it performs excellently.

There are important specifications of the 200mw green laser pointer pen. It has an output wave length of 532nm and power output of 200mW, its beam distance can reach five hundred to six hundred meters. Its power source is from 2x AAA batteries and its size is 160 x 14mm length and 6.3 x 0.55 inch diameter. This high power green laser pointer has a perfect design and is proven to have high quality. It has fixed focus and the working time is 8,000 hours. Unlike any other laser, the green laser beam cab seen or it is visible in dark environment and surrounding. The eyes of a human are sensitive to objects that are in color green that to other colours.

The astronomy green laser pointer is a great guide for the mountain climbers and also great for people who live in mountainous place. The laser has the ability to measure the precise position of any building in a far distance. This laser will be perky enough if it is lighted in a normal temperature. The laser is better not to be lighted continuously over thirty seconds. In some countries the laser pointers may be prohibited to use, therefore the user should be responsible and liable to comply with requirements and control the usage of the product.  The user should take some safety considerations. The high power green laser pointer laser green beam is an effective device when it is used appropriately. The user should not point directly the laser beam at a person’s eyes because it can damage the eyes permanently. The user should not allow the children to play with the laser.