Features: Convert 12V power supply into 48V power output. Adopt Synchronous Rectification Technology to improve conversion efficiency, Maximums Efficiency: ≥90%. These voltages converters is excellent power Converter, can work safely and reliable in -25°C~80°C ranges. Compacts aluminium shell, waterproof, dustproof, antishock protections and better heat dissipation. Assembled with intelligent chip, features Over-current /Over-load /Low-load /Short-circuits /Over-heat intelligent protections. Widely used in car, trucks, navigators, car recorders, advertising screens, medically equipment, instrument, LED strips. Specifications: Component: Aluminum shell and coppers wire Size: about 74x74x32mm/2.91x2.91x1.26inch Wire Length: about 13-14cm/5.12-5.51inch Input voltages: 12V Conversion efficiency: maximum>90% Output voltages: 48V Output current: 3/5A No load adjustment rate: ±1% Load adjustment rate: ± 5% Working temperature: -25~80 ℃ Waterproof: IP68 Package Includes: 1pc Power Converter note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.