Transform your electronic devices' cooling capabilities with this comprehensive DIY thermoelectric cooling kit. The package includes a 40x40mm heatsink assembly featuring a quiet-running fan, thermal conduction components, and a semiconductor refrigeration chip. This versatile cooling solution can be powered via USB Type-C or 5V/12V connections, making it ideal for various applications including phones, tablets, and small electronic projects. The kit comes complete with all necessary mounting hardware, thermal glue, heat conduction pads, and a protective metal grille. The advanced Peltier plate module ensures efficient heat dissipation while maintaining silent operation. Installation is straightforward with the included screws and thermal interface materials. Perfect for tech enthusiasts looking to enhance their device cooling systems or create custom cooling solutions. The compact size makes it suitable for space-constrained applications while still delivering effective cooling performance.