About this item Voltage Converter Regulator DC 36V 48V to DC 12V 20A 240W, input voltage range is DC 30-60V. Die-cast aluminum shell, silicone sealed, epoxy potting, cooling by free air convection, anti-shock, anti-humidity, dust-proof, synchronization rectification technology with multiple intelligent protection functions for high conversion efficiency and stability, maximum transfer efficiency of 96%, low heat generation, and stable performance. Waterproof rating: IP68, 100% waterproof, can work in rain. The waterproof housing makes the converter ideal for use in a wide range of applications including vehicles, security systems, hospital equipment, telecommunications, and commonly used for radio, speaker systems, club cars, electric bikes, solar panels, and LED lights. The DC-DC converter is widely used in golf carts, forklifts, buses, large trucks, motors, solar energy generation, and car audio devices. Size: 2.9 x 2.9 x 1.2 inches.