DROK Car Power Regulator 8-20V12V to 3.3V 3A/10W DC to DC Converter Step Down Module Module Properties: synchronous rectification non-isolated buck module (BUCK) Input voltage: DC 12 (8V-20V) Output voltage:DC 3.3V Output Current: 3A (3A,2.5A long-term work) Output Power: 10W