It is the heart of the optical drive and the most sophisticated part. It is mainly responsible for data reading This SOH-DL5 optical pick-up laser-lens is compatible for Samsung Made of high-quality electronic components, it is reliable and long serving life Fine 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 guy do this, if you don't not have skill , please ask someone else to help Colour: Black material: plastic Model: S0H - DL5 Type: laser-head Band range: visible light Mode of operation: continuous type Motivation: electric incentive Speed: high speed Channel: single channel Weight: 21g Package includes: 1 x Optical Pick-Up Only the above package content, other products are not included. Note: Light shooting 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.