Features:1. Aluminum Cooling Box can quicken heat dissipation, preventing internal PCB from burning out. 2. Surface sandblasting and brushed treatment, wear resistant and beautiful, comfortable hand feeling.3. Built-in grooves to hold circuit board.4. Split type aluminum shell, lightweight and durable.5. Suitable for electronic products, mobile power supply, instruments, etc.Specification:Material: AluminumColor: BlackBaffle Thickness: 1.5mmDimension: 25*25*50mm / 1*1*2in (exclude the thickness of the baffle)Package list:2 * Shell2 * Baffle1 Set of ScrewsNote:Due to the difference between monitor and light effects, the pictures may not reflect the actual color of the item.Please allow slight error due to manual measurement.