Features:Made of great material for better durability and quality. Prefect replacement for the old or broken one.Stable characteristics, high reliability,you can totally trust the quality of it.Accurate design, wear resistance and anti-rust.According to the factory specifications,and will perfect match your device.Specification:Model: SF-101NBand Range: Visible LightMode Of Operation: ContinuousIncentive Method: Electric ExcitationWorking Substance: Free ElectronLight Way: Inner Light Way Output Form: Power TypeTransmission Signal: OC Gate TypeSpeed: High SpeedChannel: Single ChannelOutput Wavelength: 650 (nm)Line Width: 1 (mm)Package List:1 x Laser Lens.Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.