specification：<br />mode no:303<br />laser color:green<br />body color:gold<br />matreial:aluminum alloy<br />wavelength: 532nm<br />beam style:continuo line<br />form: dot - circle<br />working temperature: 20℃～＋30℃<br />storage temperature: -10℃～40℃<br />dimensions: app 23mmx160mm<br />switch: touch switch<br />operating voltage: dc 4.2v with a key to protect<br />starting voltage：dc 3.6v<br />battery：18650 battery or 16340 batterynot include battery<br />foc mode: adjtable foc<br />weight:app 128g<br />package:<br />1 x green laser pointers<br />1 x nylon rope<br />1 x holster for the laser pointers pen<br />2 x safely keys<br />feature:<br />made of aluminum alloy， more durable.<br />it can be ed for presentation， teaching indicator， etc.<br />lightweight，suitable for putting in your pocket or handbags， easy and convenient to bring.<br />it is ed to point at any desired target on projection screen， video， etc.<br />this high quality laser pointer adopts the latest technology optics and microelectronics.<br />across the sky， leading you to find the stars in the clear nights.<br />the copper at the end is fixed by aluminium sheet， which avoids short-ciruit.<br />designed with green color light， which is easier for you to find the target and outlight the key point.<br />press-button switch at the bottom， no need to keep holding when e it.<br />designed with a hang rope， convenient to bring and you don't need to worry about lossing it.<br />the handle is made of anti-slip material， which prevents the laser pointer pendropping down.<br />tips：<br />remove the batteries when not in e， keep awaythe child!<br />the laser is high power .so it runs out of battery quickly.and please don't keep the laser on continuoly for more than 20 seconds or it will get burntinside easily.<br />if you find that the brightness of the laser beam is serioly reduced，please note that to charge the battery or replace battery.<br />the e of the laser beam is absolutely does not allow the irradiation of the eye in front of humans and animals!<br />note:<br />the real color of the item may be slightly differentthe pictures shown on website caed by many factors.such as brightness of your monitor and light brightness.<br />please allow 0.1-0.5mm error for the measurement data. <br />if you have any questions， please feel free to contact .<br />thanks!