These voltages converters are excellent power Converter, can work safely and stable in 25°C~80°C ranges Compact aluminium shell, waterproof, dustproof protections and better heat dissipation Convert 12V power supply into 36V power output Adopt Synchronous Rectification Technology to improve conversion efficiency, Maximums Efficiency: ≥90 Widely used in car, trucks, navigators, car recorders, advertising screens, medically equipment, instrument, LED strips Assembled with intelligent chip, features Over-current / Over-load / Low-load / Short-circuit / Over-heat intelligent protections