STABLE HIGH FREQUENCY: This visible band optical pickup laser head operates in continuous mode with stable performance, enabling high-frequency CD reading. APPLICABLE MODEL: The original H8151AF laser head features a simple and compact structure, delivering reliable performance for SHARP CPQ5 WQCH400H, CDX4000, RCTRH-8151AF, and CD players. CORROSION RESISTANT ABS: The laser unit is constructed from high-quality ABS material, offering high reliability, corrosion resistance, durability, and resistance to cracking, ensuring long-term use. IDEAL REPLACEMENT: This single-channel, low-speed optical pickup laser unit is an ideal replacement for worn or damaged SHARP laser lenses. It is easy to install, use, and operate. ELECTRIC EXCITATION FOR OPTIMAL EFFICIENCY: The electric excitation function of this visible light laser lens ensures efficient energy utilization, providing reliable performance and enhanced longevity for your optical equipment.