Description12*45mm 100mW 980nm Infrared Dot Focusable Laser Module980nm laser is 99% ir cannot be seen by human bare eyes.it has 1% red bomb can be seen.lens: plasticadapter: we have us and eu standard adapter, but we cannot guarantee it can work for you. we send the adapter out as bonus for free. so that if it cannot work, it has no warranty.duty cycle: 45 seconds on, 15 seconds off, if you want to prolong the duty cycle, please add heatsink
