Features: Keep your devices cool and running smooth with this active cooling case, for reliable performances. Crafted with good quality materials, this protective enclosure ensures efficient heat dissipation for your devices. Effective hardware maintenance and cooling solution. Perfectly suited for various projects and applications, guaranteeing stable operation in data processing and system. Enhances the functionality of your devices with this expertly engineered cooling solution, ensuring smooth operation during demanding tasks. Specifications: Material: Copper For PI5 Package：Copper Heat Sink / Copper Heat Sink and PWM Fan Package Includes: 1PCS Heat Sink note: Due to the problem of lighting effect and shootingangles, there mightbe certain tolerances in product, please understand. Please allow 0-1cm error due to the measurment.