500W power supply mades with imported aluminum alloy shell. Item No.: LS-500BM-24 • Smart Cooling System: LVSUN 500W Power Converters feature an aluminum shell with multiple heat dissipation holes, a built-in cooling fan, and a dust-proof net. • Safety and stability are our top priorities. The AC to DC Converter 24V is equipped with overload, overvoltage, leakage, and short circuit protection functions. • Rugged and Durable - The robust and durable design allows it to operate stably in harsh industrial environments. • High Efficiency and Energy Saving.