Lazer 809 High Power Purple Blue Violet Laser Pointer 10000mW 405nm Adjustable Focus for Sale NOTE1.Due to customs prohibit send batteries， this product will not include batteries，hope you understand.2. Avoid direct eye exposure to laser beam3.Please don't keep open for a long time， otherwise easy to damage the light bulb4.If you want to light match， please adjust the focal length to the largest ， andthen match at a distance of approximately 10cm from lamp holder ， the most thinpart of the light， at first might do not know how to play， but t we tested itcompletely no problem to light match. Specifications Brand NewBlue VioletLaserSpecail feature : the green laser spot size is adjustable， the range is from 0 to 60mmKeylock switch to prevent mis-use by other peopleIt can be operated by One 16340 batteryGreat for pointing objects from long distance， such as starsExtremely Visible green light beam in the darkRange in excess of 6，000 ftPower saving， compact and reliableCuts thin plastic (tested with thin plastic bagsFeatures Max Output: <= 200mWWave Length: 405nmOutput wave: Continuous wavePower by 1x 16340 Battery (Not included)Length: 160mmDiameter: 160mm��22mm��22mm"Weight: 3.5 oz Package Includes 1 x Laser Pointer(Charger and Battery Not Included)