1、STABLE HIGH FREQUENCY: This is a visible band optical pickup laser head with continuous operation mode, with stable running performance, laser head can read the CD at high frequency 2、APPLICABLE MODEL: The original H8151AF laser head come with simple and compact structure, bring excellent performance for SHARP CPQ5 WQCH400H CDX4000 RCTRH‑8151AF CD 3、CORROSION RESISTANT ABS: Laser unit is made of excellent ABS material, possess high reliability, corrosion resistance, strong, not easy to crack, can be used for a long time 4、IDEAL REPLACEMENT: The optical pickup laser unit single channel low speed magnetic head is the perfect replacement for SHARP worn or damaged laser lenses. Easy to install, use and operate 5、ELECTRIC EXCITATION FOR OPTIMAL EFFICIENCY: The electric excitation feature of this visible light laser lens ensure optimal energy utilization, resulting in efficient and reliable performance. Experience improved performance and longevity for your optical equipment