Waterproof DC Boost Converter Voltage Regulator 12V to 24 Volt Car Power Supply 240W/10A Industry grade DC 12V to 24V step-up converter Sturdy, waterproof housing makes the converter ideal for use in a wide range of applications including vehicles, security systems, hospital equipment, telecommunications etc Over 90% power conversion efficiency Input voltage range(V)	10-15V DC Built-in over-voltage, under-voltage, overload, over-heat and short circuit protection