Feature: Perfectly replaces the old or damaged DVD laser head, keeping DVD performance stable. Precise cutting and interface ensure accurate applicability, perfect fit, and easy installation. The replacement laser head is a single-channel high-speed operation, with less signal interference. Uses a professional chipset that can provide excellent performance for the laser head system. The laser head is protected by electrostatic solder joints, and the electrostatic protection solder joints can be used normally before installation. Specification: Item Type: Laser Lens Head Model: SOH-DL5 Type: Laser Head Bandwidth Range: Visible Light Operating Mode: Continuous Incentive Method: Electrical Excitation Working Substance: Free Electrons Optical Path: Reflective External Light Path Output Form: Power Type Transmission Signal: OC Type Speed: High Speed Channel: Single Channel Output Wavelength: 650nm Line Width: 1mm. Package List: 1 x Laser Lens Head Note: The laser head is protected by electrostatic solder joints, you need to use a soldering iron to remove the electrostatic protection solder joints! If you do not understand this knowledge, please leave it to a professional for operation. Before installation, please open the electrostatic protection solder joints for normal use.