1、HIGH EFFICIENCY AND LOW HEAT: DC Converter use synchronous rectification technology for high efficiency(up to 96%) and low heat. 3A use does not require heat sinks at all 2、EXCELLENT PERFORMANCE: DC converter adopt full potting process, waterproof, seismic, flame retardant, suitable for a wide range of occasion 3、DUAL USB OUTPUT: The USB output of the DC buck converter module can support charging of both for iOS and for Android phones 4、VOLTAGE REGULATION: Car power converter adapter maintain a voltage deviation within ±2.5%, ensuring stable and accurate power delivery to your devices 5、COMPACT DESIGN: The DC buck converter has a compact design, easy to carry and travel with. Take up minimal space in your bag or suitcase Item Type: DC to DC Buck Converter Input Voltage: 12V (maximum 22V) Output Voltage: 5V Output Current: 3A (maximum 4A short term) Conversion Efficiency: 96% Voltage Deviation: ±2.5% 1 x Buck Converter Module