Leader Companion NAP-FHS-D15D Fan & Heatsink — compatible with Leader Companion SC562, SC563, SC770, SC503 and SC523 models. High-quality aluminum heatsink with integrated fan designed to improve thermal performance, reduce operating temperatures, and prolong device life. Quiet operation suitable for continuous use; easy to install with existing mounting points on supported models. Note: verify compatibility with your device serial/model before purchase. For technical specifications (fan size, RPM, voltage, connector type, dimensions, and warranty) consult the manufacturer or product datasheet — these details are not provided in the current listing and should be added to increase buyer confidence.