DC-DC 3.3V 5V 9V 12V 24V 3A Buck Step Down Voltage Converter Power Supply Module
Output 3.3V. Switch frequency: 1.5MHz(Max) 1MHz(typical). Output 12V. switch frequency: 1.5MHz(Max) 1MHz(typical). Module x 1. or Negative. We afford all cost if it's our fault. We maintain the excellent service standards.