Top- High quality*20000mw Adjustable Focus 532nm Green Laser Pointer Pen Lazer Beam burn match 2in1 lazer pointerUSB Interface:NoBattery:18650Function:burnControl Distance:10000mRemote Control:NoSize:532nmType:Green Laser Pointersis_customized:YesProduct DescriptionWelcome to our shop， our shop all the laser pointer does not include the battery， please note.Thank you Iyou a happy shoppingNOTE1. Avoid direct eye exposure to laser beam2.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 ， 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 the fact we tested itcompletely no problem to light match.Model No: 303# (Green Laser Pointer)Size:148mm*24mm*24mm.Net weight: 114g.Body material: aerometal.Light Color:GreenBody Color:BlackPower supply: 1 x 18650 Li Battery(&16340)(not include 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: +15~+35Storage temperature: -10~+40.Package Contents:1 * Green laser pointer1 * charger1 * laser headBatteries are forbidden on airmail， so the battery not included! hope you can understand.