Soda Water CO2 Adapter TR21 for 4 Male Thread Terra Pink CompatibilityItem Type: Optical Pickup Laser Lens Mode: KSS 213C Material: ABS Operation Mode: Continuous Excitation Mode: Electric excitation Light Road: Internal light road Working Substance: Free electron Transmission Signal: OC gate type Output Form: Power type Output Wavelength: 650 (nm) Speed: Low speed Channel: Single channel Line Width: Approx. 20mm / 0.79in Applicable: DVD CD1Main Application: This laser head is a visible laser head with continuous operation mode. Stable performance during operation, the laser head can read CDs efficiently, which is suitable for DVD CDs. 2Compact Size: The laser head has stable performance. Simple and compact structure during operation bring excellent working performance to the radio sound system. 3ABS Material: The laser unit is made of premium ABS material, which is reliable, corrosion resistant, solid, not easy to crack, and can be used for a long time. 4Easy to Install: Comes with a compact size and a light weight as well, the easy installation can be quickly completed. 5Ideal Replacement: This laser head with excellent performance is the perfect optical laser lens replacement for worn or damaged laser lenses. 1 xOptical Pickup Laser Lens