It is the heart of the optical drive and the most sophisticated part. It is mainly responsible for data readingThis -DL5 optical pick-up laser-lens is compatible for Made of high-quality electronic components, it is and long serving lifeFine workmanship, standardized design.It is a great Optical laser-lens replacement for the worn out or damaged laser-lens.Note : This Optical Pickup Need to Remove Short land point, we recommend Professional do this, if you 't not have skill , ask someone to helpColour: Blackmaterial: plasticModel: S0H - DL5Type: laser-headBand range: visible lightMode of operation: continuous typeMotivation: electric incentiveSpeed: high speedChannel: single channelWeight: 21gPackage includes:1 x Optical Pick-UpOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.