Vktech 12V/24V to 3.3V 5A DC/DC Power Converter Regulator Module Step Down Adapter Input: DC 12/24V (wide voltage 8V-35V) Output voltage: DC 3.3V Output current: 5A Size: Approx. 6.6 x 5.6 x 2.2cm (L*W*H) Import main components, sufficient power and stable performance