FeaturesMade of high quality materialUnique and fashion designPerfect for Laser Pointer100% brand new and high qualityModel Number: JD-851Size: 12.7*2.1*2.1cmMaterial: Aluminum + CopperBattery: 16340 Rechargeable Battery (Battery not included)Wave Length: 532nmGreen Laser Beam: VisibleShape: Flashlight Shaped/Pen ShapedType: Green Laser PointersSwitch: Push ButtonFunction: With Special Cool Starry Effect MountCompability: Laser Pointer/Meeting/Outdoor Sports/Teaching/Office Package Included:1 x Laser pen