Package List:1* Green Laser Pointer5* Star Filters 2* 18650 3800mAh Rechargeable Battery1* Portable 18650 Charger1* Aluminum BoxFeatures:High performance， High quality， Scientific design， Whole setSuper bright， Focus， Green laser lightLong lifespan， Cool housing designCan make different wonderful pattern with Star FilterAvailable for presentation control， star pointing， magic show， guiding pointing and so on.Warnings: Never Point to the people or animal.Laser radiation， Never look directly into the green laser beam， Never pointer a green laser beam at a person. Do not allow children to use green laser pointer.When not in use， it is a good idea to remove the battery and keep it safely. If you find that the brightness of laser beam is getting seriously weaker， please recharge the batteries. Specification:Wavelength: 515nm-520nmPower: 50mwBeam style: continuous line.Spot size: 6M place <��10mm.Power supply: 2 x 18650 Battery Laser range: 2000 meters .Focus mode: adjustable.Body material: MetalWorking voltage: DC=7.2-8.4V.Preheat time: < 3 seconds.Working temperature: +15�桫��35��.Storage temperature: -10�桫+40��.About 18650 Double Charger:Capable of charging 2 batteries simultaneouslyEach of the two batteries charges independentlyCompatible with small capacity batteriesAutomatically stops charging when completeFeatures over-charge prevention to protect batteriesBattery Type: 18650 BatteryPlug: US EU plugColor: BlackMaterial: PlasticInput: AC 100-240V 50/60Hz Max 150mAOutput: DC 4.2V 650mA