Package Includes:1 X 18650 Battery1 X Battery Charger1 X Star Filter Cap1 X Green Laser Pointer2 X Safety Keys 1 X Hanging Rope1 X Changeover Plug for Charger (NO UK Standard Plug)Without Retail PackageSpecifications:Size: 158mm*22mm*22mm.Net weight: 100g.Body material: Aerometal.Light color: GreenBody color: BlackPower supply: 18650 Li Battery or 16340 Li Battery Laser range: 2000-5000meters.Focus mode: Adjustable.Parameters:Wavelength:532nm.Beam style:continuous line.Spot size:6M place <10mm.Working voltage:DC=3.0-3.7V.Preheat time:<3seconds.Working temperature:+15DEG~+35DEGStorage temperature:-10DEG~+40DEGNote:1.Avoid direct eye exposure to laser beam.2.Please don't keep open for a long time、otherwise easy to damage the light bulb .3.If you want to light match、 please adjust the focal length to the largest、and then match at a distance of approximately 10cm from lamp holder、the most thin part of the light、at first might do not know how to play、but the fact we tested it completely no problem to light match.4.It can burn only BLACK match、can not burn paper or something else.5.In winter、 if temperature is low outside of room、please warm up the laser pen inside room for 5 minutesWarning: Do NOT point laser at people. There is danger of physical harm if beam is shined into the eyes.Children should only handle lasers under adult supervision.