2 pcs Electronic Accessories:1 x KSS-210A Optical Pick-Up Lens & 1 x laser-head High quality electronic components: This optical laser-lens is made of high quality electronic components, reliable and long life. Excellent replacement: An excellent optical laser-lens replacement for worn or lenses. Stable performance: Stable performance while running, the pickup can read the disc quickly. Excellent performance: Simple and compact structure that brings the excellent operating performance of the radio audio system.Easy installation: Easy to install, convenient, easy to use and easy to operate. Notes during the machine operation: Some lens has a protective point, this point is a measure for anti-static burn and keep its safety , as our clothes and hair are all static materials, you can open this protective point with an high-grade anti-static iron if you use a common iron, it requires much special attention, first, if the iron has melted the tin-can temperature, do remember to unplug the iron supply, then go to open the lens protection point, this is to prevent lens from burning by static electricity iron. Specifications: Model: KSS-212A Band Range: Visible Light Operation Mode: Continuous Incentive Method: ElectricExcitation Active substance: Free electron Optical path: Internal optical path Output form: Power supply type Transmission signal: OC Gate Type Speed: Low speed Channel: Single channel OutputWavelength: 650 (nm) Optical Pick-Up Lens KSS-210A for Sony DVD CD colour:black Material:plastic size: 4.5x3.5cm Package Contents: 1 x KSS-210A Optical Pick-Up Lens 1 x laser-head