Specification Brand : Qiaoba BulletPoint1 : Dimensions: 22(D) x110(l)mm length BulletPoint2 : Output: <5mW Class IIIA, DC5V power supply BulletPoint3 : Working distance,3-10meters recommended indoor BulletPoint4 : If laser line is not ideal when you get,pls adjust the front cap to get suitable line as you need at different distances BulletPoint5 : Item contain 1x520nm line laser module,1xDC5V adapter and 1x a mount houlder Color : Silver ExternallyAssignedProductIdentifier : 7621635449335 IncludedComponents : laser module ItemName : 520nm Green Laser Line Module for Sawmill Woodworks Alignment Laser Swamp Haunted house Engraving Positioning 22mm DC5V ItemPackageDimensions_Height : 0.01 inches ItemPackageDimensions_Length : 4.5 inches ItemPackageDimensions_Width : 2 inches ItemTypeKeyword : line-lasers Manufacturer : Qiaoba Material : Glass LENS MeasurementAccuracy : 0.1mm ModelName : 520nm Green Line laser ModelNumber : 520-L22 NumberOfBoxes : 1 NumberOfItems : 1 OperationMode : Automatic PartNumber : 631514772536 PowerSourceType : Power Supply ProductDescription : Wavelength:520nm. Output power: 5MW ClassIIIA. Green laser Line Width Adjustable at different Working Distances ProductSiteLaunchDate : 2018-12-22T08:43:16.287Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 32111500