Focusable 520nm Green Line Laser +5V Adapter +HolderLaser Features:Long time working Size:16x65mm Wavelength: 520nm Power: 50mW Power supply: DC5V Working current: 220-260mA Spot mode: Line Focusable: Yes Output wave band: The visible light Material: Aerospace aluminum Optical portion: Focus Lens Lens Material: pvc Focus LensAdapter Features:Inout: AC100-240V 50/60Hz Output: 5V 1A Type: US/EU/AU/UK/AU-PlugHolder Features:Inner Diameter: 16mm With clamp, specifically made for solving laser module. It can be flexibly 360° all-around adjustedPackage:1x 520nm line laser module 1x 5V Adapter 1x Holder