Laser Diode RedLine Laser ModuleFor alignment, measurement and pointing devices.Laser Power Output: <1mwWavelength: 635nm - 670nmLens: PMMAInput Voltage: 3-4.5V typicalCircuit Control: APCLaser Line Angle: 55, 90 deg.Focus: FixedComplies with 21CFR Chapter, subchapter J.Complies with EN60825-1Class 2 II Laser ProductsOverall Body length: 9/10" x 7/16" DiameterLens Cylinder is Threaded ~9mm in DiameterLead length: 4 footE-Laser Enterprise Co., LtdEL-860Similar to MPJA 38741 LZ