green laser pen

Name : green laser pen Specifications: Wavelength 532nm Size f the laser 15.8*1.2cm Output 30mW Life time 5000h Working current 1<250mA Colour of the laser Green lasers Working voltage DC=3V Colour of the pen Black rubber paint Working temperature 0 +45 Range of the laser Over 500-8000meters Divergence angle 0.8-1.2mrad Bateries AAA*2pcs Beam diameter 1.5mm class IIIB Instruction: A laser pen is a small laser designed to highlight something of interest by projecting a small bright spot of colored light onto it. The laser beam is not in itself visible from the side, but is visible as a result of light scattered by dust particles along the beam path. The small width of the beam and low power of typical laser pointers make the beam itself invisible in a reasonably clean atmosphere, showing a point of light when striking an opaque surface. Some higher powered laser pointers are faintly visible via Rayleigh scattering when viewed from the side in moderately to dimly lit conditions. This is a commonly used product for meetings and conferences, let you speak out freely. The beauty beam light is extreme suitable use at night, which can point out the very right position of the star you are looking. A very good star-pointer. This is the commonly used product for demonstrations and presentations in classes, and other activities, making listeners feel release. Can be used in museums and all kinds of exhibitions, a very good guide for your travelling, your best Companion. Best guide for the climbers and people in mountainous areas. Good tool for pointing out the faraway target and sending out the SOS signal, making your travel more fun. This laser can measure you the accurate position of the building in the faraway distance by avoiding going close to the dangerous field. Truly an very ideal replacement for your monitoring alive.NOTE:The greenlaser pencan bright enough when you light it in normal temperature, so you had better do not light it continually in 30 seconds Avoid direct eye exposure to greenlaser penbeam (any contact to the human eye can cause permanent damage). Never expose your eyes or anyone else`s to the greenlaser beam Please put it away from children to avoid the danger by contacting. When do not use it, please take off the battery from the laser in order to avoid the damage by the children`s contacting In some countries these greenlaser pointers pen (especially the higher powered ones) may be illegal to own and/or use. Therefore, by purchasing these products YOU (the customer) accept all responsibly and liability to determine and fulfill the requirements and limitations of use or resale of these products in accordance with your country`s laws and regulations. In the event of resale, you also agree to include this notation in the product description, so that any potential buyer can also make an informed purchasing decision