Item Type: Optical Pickup Laser Lens Material: Aluminum alloy Model: KSM 213CDM Wavelength Range: Visible light Operation Mode: Continuous Excitation Mode: Electric excitation type Working Material: Free electron Light Path: Transmission type external light path Output Form: Power type Transmission Signal: OC gate type Speed: Low speed Channel: Single channel Output Wavelength: 650 (nm) Application: CD player 1,ALUMINUM ALLOY: The laser unit is made of aluminum alloy, which is highly reliable, corrosion resistant, sturdy and not easy to crack, and can be used for a long time. 2,STABLE PERFORMANCE: This optical pickup lens has a continuous operating mode for stable performance during operation, and a laser head for fast disc reading. 3,IDEAL REPLACEMENT: The optical pickup laser is the perfect ideal replacement for worn or damaged laser lenses and will keep your CD player performing. 4,COMPACT SIZE: The laser lens is stable in operation and simple and compact, bringing excellent working performance to the sound system. 5,MAIN USE: This optical pickup lens has been rigorously and thoroughly tested for superior performance and is suitable for DVD CD players.1 x Optical Pickup Laser Lens