Item Type: Optical Laser Lens Model: HOP-12XH Fitment: For Car DVD Laser Pickup Installation Instructions: 1. How to judge if the laser pickup is damaged: The damaged laser pickup is generally very difficult to read the disc or cannot read the disc. Some discs with poor quality can not be read at all. In the case that the device can recognize the machine normally, it is generally the problem of laser pickup. When the above situation occurs, you only need to detach the machine to view the model of the laser pickup, and then purchase the corresponding model of optical pickup to install,. 2. How to judge the model of the laser pickup: Under normal circumstances, there is a model on the label of the laser pickup or on the base. If not, you can send the picture of the laser pickup to us. We will have professional technicians to confirm the model for you. Please confirm the model of the laser pickup you need before purchasing.